wag

Universal Words verb, noun verb (-gg-) 1 [V, VN] if a dog wags its tail, or its tail wags, its tail moves from side to side several times 2 [VN] to shake your finger or your head from side to side or up and down, often as a sign of disapproval IDIOMS see TAILn., TONGUEn. noun 1 (old-fashioned, especially BrE) a person who enjoys making jokes SYNJOKER 2 a wagging movement