wave the flag(redirected from waves the flag)
Also found in: Dictionary, Thesaurus, Medical, Legal, Financial, Encyclopedia.
wave the flag
To stand up for, support, or defend someone or something. A number of people from the actor's hometown are arriving into New York to wave the flag at his debut performance on Broadway. My country is often a target for insults or gibes abroad, so whenever I go traveling I make a point of waving the flag for it.