Meaning of WAG in English
1. v. & n.
--v. (wagged, wagging)
1. tr. & intr. shake or wave rapidly or energetically to and fro.
2 intr. archaic (of the world, times, etc.) go along with varied fortune or characteristics.
--n. a single wagging motion (with a wag of his tail).
Phrases and idioms:
the tail wags the dog the less or least important member of a society, section of a party, or part of a structure has control. tongues (or beards or chins or jaws) wag there is talk.
Etymology: ME waggen f. root of OE wagian sway 2. n.1 a facetious person, a joker.
2 Brit. sl. a truant (play the wag).
Etymology: prob. f. obs. waghalter one likely to be hanged (as WAG(1), HALTER)
Oxford English vocab. Оксфордский английский словарь. 2012