1. Literally, very quick at drawing one's gun in readiness to shoot it. The gunfighter was so quick on the draw that he often shot his enemies before they reached their own gun. 2. By extension, understanding, anticipating, or reacting to a given situation or circumstance very quickly.

What is the meaning of the idiom quick on the draw?

Definition of be quick on the draw

: to be quick about removing a gun from where it is kept : to quickly draw a gun and be ready to shoot it —often used figuratively Critics may have been a little too quick on the draw.

What does draw on something mean?

phrasal verb. If you draw on or draw upon something such as your skill or experience, you make use of it in order to do something. He drew on his experience as a yachtsman to make a documentary program.