Bill Murray is never as enjoyable as when he's a sarcastic wisecracker who's mildly contemptuous of everyone around him. (mutantreviewers.wordpress.com)
Making a character's inner voice into a sarcastic wisecracker who won't shut up. (janefriedman.com)
As the hot - shot - test - pilot - turned - galactic - policeman Hal Jordan, Reynolds was intended to be an amusing wisecracker, a la Tony Stark. (theatlantic.com)