Idioms are fun phrases that mean something different from the actual words inside them. People use them to make conversation more colorful, interesting, and full of feeling. Today, you will learn a large group of helpful idioms related to working out, staying fit, and doing physical exercise.
In this lesson, we’ll look at idioms for exercise that mean staying active and working out. Let’s get started and explore some of these helpful expressions.
Idioms for Exercise
1. A heavy lift
Meaning: A difficult physical or mental task that requires a lot of effort.
For Example: Lifting that heavy box of books felt like a real heavy lift. / Finishing the final workout circuit was a heavy lift for the team.
Other Ways to Say: Hard work / Tough challenge
2. All brawn and no brain
Meaning: Someone who is very physically strong but lacks cleverness.
For Example: He could lift the heaviest weights, but joked he was all brawn and no brain during trivia. / Building strength is good, but do not be all brawn and no brain.
Other Ways to Say: Strong but not smart / Physical only
3. As fit as a fiddle
Meaning: Being in peak physical condition, healthy, and full of strength.
For Example: Grandpa exercises every morning and feels as fit as a fiddle. / After weeks of training, the runner felt as fit as a fiddle.
Other Ways to Say: Very healthy / In top shape
4. Back in shape
Meaning: Returning to a strong, healthy physical condition after a break.
For Example: Running every afternoon helped him get back in shape for soccer season. / Stretching daily helps your body get back in shape.
Other Ways to Say: Recovering fitness / Regaining strength
5. Bend over backwards
Meaning: Working extremely hard and stretching your body to accomplish a goal.
For Example: She had to bend over backwards during gymnastics practice to master her flip. / The coach bent over backwards to help the team improve.
Other Ways to Say: Work very hard / Try extra hard
6. Break a sweat
Meaning: To exert physical effort and begin sweating during a workout.
For Example: Running two miles around the track made him finally break a sweat. / You need to push harder during practice and break a sweat.
Other Ways to Say: Exert effort / Work out hard
7. Build muscle
Meaning: Growing stronger through weight training and physical exercise.
For Example: Eating healthy foods and lifting light weights helps children build muscle safely. / Doing push-ups every day helps build muscle in your arms.
Other Ways to Say: Gain strength / Grow stronger
8. Burn calories
Meaning: Using up stored body energy through active exercise and running.
For Example: Playing tag in the backyard is a fun way to burn calories. / Swimming laps helps you burn calories and stay healthy.
Other Ways to Say: Use energy / Burn fat
9. Catch your breath
Meaning: Pausing to rest and recover normal breathing after heavy exercise.
For Example: Sit down on the bench and catch your breath after sprinting. / Let me catch my breath after finishing the jump-rope routine.
Other Ways to Say: Rest a moment / Recover calm
10. Couch potato
Meaning: Someone who exercises very little and spends all day sitting.
For Example: Instead of being a couch potato, let us go outside and play basketball. / Watching television all weekend makes you feel like a couch potato.
Other Ways to Say: Inactive person / Lazy sitter
11. Do heavy lifting
Meaning: Doing the hardest part of a physical or mental job.
For Example: He volunteered to do heavy lifting when we rearranged the classroom desks. / Teamwork means sharing chores instead of one person doing heavy lifting.
Other Ways to Say: Do hard work / Carry the burden
12. Draw a deep breath
Meaning: Taking in lots of air to prepare your lungs for physical activity.
For Example: Draw a deep breath before diving into the swimming pool. / The runner paused to draw a deep breath before sprinting.
Other Ways to Say: Breathe deeply / Inhale fully
13. Drop and give me twenty
Meaning: A classic command for doing twenty quick push-ups.
For Example: The sports coach smiled and told us to drop and give me twenty. / If we missed the ball, we joked we would drop and give me twenty push-ups.
Other Ways to Say: Do push-ups / Exercise now
14. Dust off your sneakers
Meaning: Getting ready to start exercising again after a long break.
For Example: Spring is here, so dust off your sneakers and go running outside. / It is time to dust off your sneakers for soccer practice.
Other Ways to Say: Prepare to exercise / Get ready
15. Feel the burn
Meaning: The hot, tiring sensation in your muscles during a hard workout.
For Example: Doing extra squats made her really feel the burn in her legs. / Push through the push-ups and feel the burn!
Other Ways to Say: Muscle fatigue / Hard workout sensation
16. Fit as a butcher’s dog
Meaning: An old-fashioned expression meaning extremely healthy and active.
For Example: After playing sports all summer, he was as fit as a butcher’s dog. / The working farm dog was as fit as a butcher’s dog.
Other Ways to Say: Extremely healthy / Very active
17. Flat out
Meaning: Exercising or running at maximum speed and effort.
For Example: The sprinter ran flat out across the finish line. / We rode our bicycles flat out down the driveway.
Other Ways to Say: Maximum speed / Full throttle
18. Get your blood pumping
Meaning: Raising your heart rate through fun physical exercise.
For Example: Jumping jacks are a great way to get your blood pumping in the morning. / Dancing to music helps get your blood pumping.
Other Ways to Say: Raise heart rate / Energize body
19. Get your second wind
Meaning: Finding sudden new energy after feeling tired during a workout.
For Example: After running a mile, he caught his second wind and finished strong. / She felt tired until she got her second wind during soccer practice.
Other Ways to Say: Recover energy / Feel refreshed
20. Go the extra mile
Meaning: Putting in extra physical effort to finish a workout routine.
For Example: He always goes the extra mile during gym class by running an extra lap. / She went the extra mile on her push-up goals.
Other Ways to Say: Push further / Do extra work
21. Gym rat
Meaning: Someone who spends all their free time working out at the gym.
For Example: My older brother is a true gym rat who lifts weights every evening. / He became a gym rat to prepare for the basketball season.
Other Ways to Say: Fitness enthusiast / Workout lover
22. Hale and hearty
Meaning: Being strong, healthy, and full of vitality in older age.
For Example: Grandpa still jogs every morning and remains hale and hearty. / The active senior citizen was hale and hearty.
Other Ways to Say: Healthy and strong / Robust
23. Hard as nails
Meaning: Having a strong, tough body capable of handling tough workouts.
For Example: The soccer players trained until they were as hard as nails. / Mountain climbing makes your legs feel as hard as nails.
Other Ways to Say: Very tough / Physically resilient
24. Hit the gym
Meaning: Going to a fitness center to do weightlifting or exercise.
For Example: After school, I like to hit the gym for basketball practice. / Parents often hit the gym early in the morning before work.
Other Ways to Say: Go work out / Visit fitness center
25. Hit the pavement
Meaning: Starting a run or jog outside on the sidewalks or roads.
For Example: We laced up our shoes to hit the pavement before sunrise. / Joggers love to hit the pavement in the cool morning air.
Other Ways to Say: Go running / Start jogging
26. In tip-top shape
Meaning: Being in immaculate physical condition and perfectly healthy.
For Example: Regular stretching and running kept the athlete in tip-top shape. / The soccer team arrived at the tournament in tip-top shape.
Other Ways to Say: Peak condition / Perfectly fit
27. Jump through hoops
Meaning: Doing difficult physical drills or training exercises.
For Example: The agility training made us jump through hoops on the field. / Athletic practice requires you to jump through hoops.
Other Ways to Say: Do hard drills / Complete tests
28. Keep in trim
Meaning: Exercising regularly to stay healthy and slim.
For Example: Swimming laps every weekend helps her keep in trim. / Eating vegetables and playing sports helps you keep in trim.
Other Ways to Say: Stay fit / Maintain weight
29. Keep on your toes
Meaning: Staying alert and balanced during sports and physical training.
For Example: The tennis coach told us to keep on our toes during the match. / Quick footwork requires you to keep on your toes.
Other Ways to Say: Stay alert / Remain agile
30. Knock yourself out
Meaning: Working out so hard that you get completely exhausted.
For Example: Do not knock yourself out on the first lap of the race. / He worked out in the yard until he felt ready to knock himself out.
Other Ways to Say: Exhaust yourself / Work too hard
31. Leap and bounds
Meaning: Improving your physical strength and speed rapidly.
For Example: Her running speed improved by leaps and bounds after daily practice. / Building muscle happens in leaps and bounds with proper food.
Other Ways to Say: Rapid progress / Fast improvement
32. Limber up
Meaning: To stretch your muscles and get ready for physical exercise.
For Example: Always remember to limber up before playing soccer. / We spent five minutes trying to limber up our legs.
Other Ways to Say: Warm up / Stretch muscles
33. Lose steam
Meaning: Getting tired and running out of energy during a workout.
For Example: After running three laps, the team began to lose steam. / Eat a banana if you start to lose steam at practice.
Other Ways to Say: Get tired / Lose energy
34. Make strides
Meaning: Making great progress in your physical fitness or sports skills.
For Example: He has made great strides in swimming faster this month. / Practicing daily helps you make strides in gym class.
Other Ways to Say: Make progress / Advance forward
35. Muscle through
Meaning: Using pure physical strength to push past a hard exercise.
For Example: The last few push-ups were tough, but she managed to muscle through. / Use your determination to muscle through the final lap.
Other Ways to Say: Push through / Power past
36. Out of breath
Meaning: Breathing heavily and gasping for air after heavy running.
For Example: Sprinting across the field left him completely out of breath. / Take a rest when you feel out of breath.
Other Ways to Say: Breathless / Panting
37. Out of shape
Meaning: Lacking physical fitness and getting tired easily during exercise.
For Example: Skipping gym class for a month made him feel out of shape. / Climbing stairs felt hard because she was out of shape.
Other Ways to Say: Unfit / Out of condition
38. Pace yourself
Meaning: Controlling your speed during a run so you do not get tired too fast.
For Example: Do not sprint at the start; pace yourself for the long race. / Pacing yourself helps you finish the workout without exhaustion.
Other Ways to Say: Control speed / Save energy
39. Pain gain
Meaning: The idea that physical discomfort during workouts brings strength.
For Example: Lifting heavy weights hurts a little, but remember no pain, no gain. / Push through the soreness because no pain, no gain.
Other Ways to Say: Hard work pays off / Effort brings strength
40. Pave the way
Meaning: Doing warmup exercises to prepare your body for a workout.
For Example: Simple stretches help pave the way for a safe weightlifting session. / A good warmup helps pave the way for a great game.
Other Ways to Say: Prepare / Set up
41. Peak condition
Meaning: Being at your absolute highest level of physical fitness.
For Example: The marathon runner trained for months to reach peak condition. / Eating well keeps your body in peak condition.
Other Ways to Say: Top shape / Best health
42. Pop a squat
Meaning: A fun way to describe resting in a seated position after exercising.
For Example: After running laps, we decided to pop a squat on the grass. / Pop a squat and drink some water during the water break.
Other Ways to Say: Sit down / Take a seat
43. Pump iron
Meaning: Lifting heavy weights at the gym to build muscle strength.
For Example: The athlete spent the afternoon pumping iron to build arm strength. / Building muscles requires dedication and pumping iron.
Other Ways to Say: Lift weights / Weight training
44. Push your limits
Meaning: Exercising harder than usual to test your physical strength.
For Example: Gym class is a great place to push your limits safely. / He wanted to run a faster mile, so he decided to push his limits.
Other Ways to Say: Challenge yourself / Try harder
45. Put your back into it
Meaning: Exerting heavy physical strength and effort into a lift or task.
For Example: Put your back into pushing the heavy exercise sled. / You need to put your back into rowing the canoe.
Other Ways to Say: Use full strength / Push harder
46. Run rings around someone
Meaning: Being much faster and fitter than other players in a game.
For Example: The fast soccer player could run rings around everyone on the field. / Her endurance allowed her to run rings around her opponents.
Other Ways to Say: Outrun / Outperform
47. Run yourself ragged
Meaning: Exercising with so much energy that you become totally exhausted.
For Example: Playing tag all afternoon had him running himself ragged. / Do not run yourself ragged on the first day of track practice.
Other Ways to Say: Exhaust yourself / Overwork
48. Sculpt your body
Meaning: Shaping your muscles through targeted weightlifting and exercise.
For Example: Doing push-ups and pull-ups helps sculpt your body. / He spent the winter working out to sculpt his body.
Other Ways to Say: Build muscle / Tone up
49. Shake a leg
Meaning: A lively phrase telling someone to move faster during gym drills.
For Example: Shake a leg or we will miss the start of soccer practice! / The coach told us to shake a leg and line up.
Other Ways to Say: Hurry up / Move fast
50. Shape up
Meaning: Improving your diet and exercise habits to get healthier.
For Example: The doctor told him he needed to shape up and eat more vegetables. / Starting a running routine helped her shape up for summer.
Other Ways to Say: Get healthy / Improve fitness
51. Sweat bullets
Meaning: Sweating heavily from intense physical exercise or stress.
For Example: Running up the steep hill had everyone sweating bullets. / Working out in the hot sun made him sweat bullets.
Other Ways to Say: Sweat heavily / Perspire a lot
52. Sweat it out
Meaning: Doing hard exercise to get rid of stress or warm up.
For Example: If you feel stressed, go for a run and sweat it out. / We played basketball outside to sweat it out.
Other Ways to Say: Work out / Exercise hard
53. Take a breather
Meaning: Stopping briefly during a workout to rest and catch your breath.
For Example: Let us take a breather before running the final lap. / Stop for a minute and take a breather.
Other Ways to Say: Rest briefly / Pause
54. Tone up
Meaning: Exercising to make your muscles firm and strong.
For Example: Doing yoga and stretching helps tone up your muscles. / She started lifting light dumbbells to tone up her arms.
Other Ways to Say: Firm muscles / Strengthen body
55. Warm up
Meaning: Doing light stretches before heavy exercise to prevent injuries.
For Example: Always warm up before playing soccer so your muscles stay safe. / We walked around the track to warm up.
Other Ways to Say: Prepare muscles / Stretch gently
56. Water weight
Meaning: Temporary body weight that you lose quickly when you start sweating during exercise.
For Example: Running in a heavy sweater made him lose extra water weight. / Heavy workouts help your body shed water weight.
Other Ways to Say: Sweat loss / Water drop
57. Wear yourself out
Meaning: Exercising so intensely that you have no energy left.
For Example: Swimming for three hours will definitely wear yourself out. / Do not wear yourself out before the game starts.
Other Ways to Say: Exhaust yourself / Tire out
58. Weight off your shoulders
Meaning: Unrelated to exercise, but sometimes used when fitness goals are met.
For Example: Finishing my final running goal felt like a weight off my shoulders. / Reaching your fitness target takes a weight off your shoulders.
Other Ways to Say: Relief / Burden lifted
59. Work up a sweat
Meaning: Starting to perspire from moderate physical activity.
For Example: Raking leaves in the yard is a good way to work up a sweat. / Playing tennis outside helped us work up a sweat.
Other Ways to Say: Begin sweating / Exercise moderately
60. Work your buns off
Meaning: Working out and exercising with extreme effort.
For Example: He worked his buns off at the gym to prepare for the marathon. / She worked her buns off practicing gymnastics routines.
Other Ways to Say: Work extremely hard / Exercise intensely
Exercise to Practice
- Lifting that heavy box of books felt like a real heavy ________.
- Grandpa exercises every morning and feels as fit as a ________.
- Running two miles around the track made him finally break a ________.
- Instead of being a couch ________, let us go outside and play basketball.
- We laced up our running shoes to hit the ________ before sunrise.
- Always remember to ________ up before playing soccer with your friends.
- Sprinting across the field left him completely out of ________.
- Do not sprint at the start of the race; ________ yourself for the long run.
- Lifting heavy weights hurts a little, but remember no pain, no ________.
- The athlete spent the afternoon pumping ________ to build arm strength.
- If you feel stressed out after school, go for a run and ________ it out.
- Stop for a minute and take a ________ before running the final lap.
- Always ________ up before playing sports so your leg muscles stay safe.
- Raking autumn leaves in the front yard is a good way to work up a ________.
- He worked his ________ off at the gym to prepare for the spring marathon.
Answer Key
- lift
- fiddle
- sweat
- potato
- pavement
- limber
- breath
- pace
- gain
- iron
- sweat
- breather
- warm
- sweat
- buns
Conclusion
Learning these idioms helps you talk about physical fitness, workouts, and exercise routines in fun new ways. When you know how to use these phrases, discussing your healthy habits becomes much more engaging.
Try using one or two of these expressions the next time you go to gym class or play a sport. You will see how much fun it is to make your conversations lively and full of energy!




