wag

Multiple Entries:
  wag    WAG  

Concise Oxford English Dictionary © 2008 Oxford University Press:
wag1

▶verb (wags, wagging, wagged) (especially with reference to an animal's tail) move rapidly to and fro. ▶noun a wagging movement.

– origin ME: from the Gmc base of OE wagian ‘to sway’.

Concise Oxford English Dictionary © 2008 Oxford University Press:
wag2 informal

▶noun a person who makes facetious jokes. ▶verb (wags, wagging, wagged) Austral./NZ play truant from (school).

– origin C16 (denoting a young man or mischievous boy): prob. from obs. waghalter ‘person likely to be hanged’.

Concise Oxford English Dictionary © 2008 Oxford University Press:
WAG1

▶noun informal a wife or girlfriend of a sports player.

– origin from the acronym WAGs ‘wives and girlfriends’.

Concise Oxford English Dictionary © 2008 Oxford University Press:
WAG2

▶abbreviation Gambia (international vehicle registration).

– origin from West Africa Gambia.