quick on the draw

Adjective

quick on the draw (comparative quicker on the draw, superlative quickest on the draw)

1. (idiomatic) Characterized by rapid response, as to a verbal remark or to a new situation; quick to act.
   • Wal, if a man can stand the loneliness, an' if he's quick on the draw, mebbe lone-wolfin' it is the best.1915, Zane Grey, The Lone Star Ranger
   • Quick on the draw with a slogan, Mr. Mandelson said he would create a project deserving cheers, not jeers, and promptly changed the sinister-sounding name of the publicly owned managing company, Millennium Central.1997 July 28, Warren Hoge, “Where Time Begins, a Millennium Pleasure Dome”, in New York Times, retrieved 29 May 2011

   Synonyms:

   quick-witted