TWEAK Meaning of TWEAK in English v. & n. --v.tr. 1. pinch and twist sharply; pull with a sharp jerk; twitch. 2 make fine adjustments to (a mechanism). --n. an instance of tweaking. Etymology: prob. alt. of dial. twick & TWITCH(1) Oxford English vocab. Оксфордский английский словарь. 2012