Tweak

v. t. [A-S. twiccian, to twitch, pull, L. Ger. twicken, O. H. Ger. zwigôn, zwiôn, zwigjan, zwijan, N. H. Ger. zwicken, zwacken, D. zwikken. It is radically the same word as twitch.] To pinch and pull with a sudden jerk and twist; to twitch; as, to tweak the nose.