- quick on the trigger
- quick on the trigger & quick on the draw1. Lit. quick to draw a gun and shoot. •
Some of the old cowboys were known to be quick on the trigger.
•Wyatt Earp was particularly quick on the draw.
2. Fig. quick to respond to anything. •John gets the right answer before anyone else. He's really quick on the trigger.
•Sally will probably win the quiz game. She's really quick on the draw.
* * *or[trigger happy] {adj. phr.} Ready to shoot without warning; fast with a gun. * /He's a dangerous criminal quick on the trigger./ 2. {informal} Fast at answering questions or solving problems. * /In class discussions John is always quick on the trigger./
Dictionary of American idioms. 2013.