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English definition of “wag”

wag

noun [C usually singular] (MOVE)    /wæɡ/
(especially of a tail or finger) a movement from side to side or up and down: With a single wag of her finger she managed to convey her total disapproval.Shaking, swinging and vibrating waggish     /ˈwæɡ.ɪʃ/ adjective old-fashioned informal saying humorous thingsHumour and humorous
(Definition of wag noun (MOVE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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