jump the gun

to do something too soon, especially without thinking carefully about it (Originally used in sports contests that are started by firing a gun. If someone running in a race jumps the gun, they start running before the gun has been fired to start the race.)

He shouted at me before I had time to explain, but later he apologised for jumping the gun (jump the gun).

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jump the gun

to do something prematurely

I think I jumped the gun on calling her "bitch." she won't talk to me anymore, I guess it was too early.

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jump the gun

To commit suicide, not necessarily by use of a gun.

Bob Jumped the gun because his wife was cheating on him.

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jumped the gun

You jump the gun when you start doing something before the appropriate time.

Sorry I jumped the gun by telling Carol the news before checking with you

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jumping the gun

doing something before your supposed to

example: one time, there was a hot girl I knew and when she asked my name, instead of telling her my name, I immediately told her my insta account name

Charlie: "Daniel you idiot, you were supposed to tell her your name. Quit jumping the gun."

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jumping the gun

1. To make or take a decision hastily without much consideration about it.

2. Rushing into something.

" - Nate, I think we should have a baby.
- Maybe you're jumping the gun here, honey. Let's finish highschool first."

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