n. slang foolish person. [originally dial., perhaps from TwIT1]. v. (tt) reproach or taunt, usu. goodhumouredly. [Old English] twitch a 1 (of features, muscles, etc.) move or contract spasmodically. 2 pull sharply at. n. 1 sudden involuntary contraction or movement. 2 sudden pull or jerk. 3 colloq. state of nervousness. twitchy adj. (ier, iest) (in sense 3 of n.). [probably Old English]
