/twit/ Noun: 1. An act of twitting; a (light) censure or reproach; a taunt. 2a. A person given to twitting. a tale-bearer. b. A fool; a stupid or ineffectual person. slang. Verb: 1a. To blame, find fault with, censure, reproach, upbraid (a person), esp. in a light or annoying way; to cast an imputation upon; to taunt. 2a. To condemn as a fault, blame, reprove, rebuke (an act, etc.); to cavil at, to disparage.