jump the gun
This page is about the idiom jump the gun
If you jump the gun, you start doing something too soon.
- If you're in a debate, wait until you're invited to speak and don't jump the gun by speaking before you should.
- The company jumped the gun and released the product before the public was ready for it.
Origin: Metaphorical derivation from athletics, in which an offical starter fires a gun to signal the start of a race. A runner who begins running before the race has been started has "jumped the gun".
Donny was playing the part of a detective in the play, but he jumped the gun on the first night. He
Contributor: Matt Errey