Meaning of WAG in English
The dog raced ahead, its tail wagging furiously.
Wag is used with these nouns as the subject: ↑ tail , ↑ tongue
Wag is used with these nouns as the object: ↑ finger , ↑ tail
Oxford Collocations English Dictionary. Оксфордский английский словарь словосочетаний . 2012