Fly Idioms (With Meaning and Examples)

Ever wondered how many expressions use the word “fly”? In English, we have many idioms that include this little word, and they can make our conversations more colorful and interesting. Let’s explore some of these fly idioms together!

Fly Idioms

Here are 20 fly idioms in English.

1. As the crow flies

Meaning: The shortest way between two points.
Example: It’s 10 miles as the crow flies.

2. Fly off the handle

Meaning: To suddenly become very angry.
Example: He flew off the handle yesterday.

3. Fly on the wall

Meaning: An unnoticed observer.
Example: I wish I was a fly on the wall.

4. Fly by the seat of one’s pants

Meaning: Do something by instinct.
Example: I flew by the seat of my pants.

5. Time flies

Meaning: Time passes very quickly.
Example: Time flies when you’re having fun.

6. On the fly

Meaning: Something done quickly.
Example: I fixed it on the fly.

7. Let fly

Meaning: To suddenly express anger.
Example: She let fly at the meeting.

8. Fly high

Meaning: To be very successful.
Example: His new company is flying high.

9. Fly in the face of

Meaning: To go against.
Example: This flies in the face of tradition.

10. When pigs fly

Meaning: Never going to happen.
Example: I’ll clean my room when pigs fly!

11. Make the feathers fly

Meaning: Cause a lot of trouble.
Example: That comment made the feathers fly.

12. Fly the coop

Meaning: To escape or leave.
Example: The kids have flown the coop.

13. Fly by night

Meaning: Unreliable or temporary.
Example: Beware of fly by night operators.

14. No flies on

Meaning: Very quick or alert.
Example: There are no flies on her.

15. Wouldn’t harm a fly

Meaning: Extremely gentle.
Example: He wouldn’t harm a fly.

16. Shoot the breeze

Meaning: To chat casually.
Example: We just shot the breeze.

17. Spread one’s wings

Meaning: Try new things.
Example: It’s time to spread your wings.

18. Butterfly effect

Meaning: Small causes have large effects.
Example: That’s the butterfly effect in action.

19. Be on the wing

Meaning: To be in motion.
Example: Birds are often on the wing.

20. Birds of a feather flock together

Meaning: Similar people group together.
Example: They’re birds of a feather.

Fly Idioms