transitive verb wagged, wagging
- to cause (something fastened or held at one end) to move rapidly and repeatedly back and forth, from side to side, or up and down: the dog wagged his tail
- to shake (a finger) or nod (the head), as in summoning, reproving, etc.
- to move (the tongue) in talking, esp. in idle or malicious gossip
ME waggen, prob. < ON vaga, to move back and forth, rock, akin to OE wagian, to shake, totter < IE base *weĝh-, to move > L vehere, to carry
the act or an instance of wagging