Толковый словарь английского языка - wag

I. verb (~ged; ~ging) see: way Date: 13th century intransitive verb to be in motion ; stir, to move to and fro or up and down especially with quick jerky motions, to move in chatter or gossip , depart, waddle, transitive verb to swing to and fro or up and down especially with quick jerky motions ; switch , to move (as the tongue) animatedly in conversation, ~ger noun II. noun Date: 1589 an act of ~ging ; shake, III. noun Etymology: probably short for obsolete English ~halter gallows bird, from English 1~ + halter Date: circa 1553 wit, joker, a young man ; chap