Meaning

noun a witty amusing person who makes jokes

noun causing to move repeatedly from side to side

verb move from side to side

originFrom Middle English waggen, probably from Old English wagian (“to wag, wave, shake”) with reinforcement from Old Norse vaga (“to wag, waddle”); both from Proto-Germanic *wagōną (“to wag”). Related to English way. The verb may be regarded as an iterative or emphatic form of waw (verb), which is often nearly synonymous; it was used, e.g., of a loose tooth. Parallel formations from the same root are…

Etymology from Wiktionary, CC BY-SA 3.0