Derived from the word flamboyant, it can be used to describe someone who is either an effeminate male or a man with homosexual tendencies and mannerisms. In summary, it is an emasculating insult.
Olly: "Can I please have a soy caramel dark mocha frappacino venti with cream for Geradé?" Starbucks employee: "Yer righto, ya bloody flambo."
by nohatefortheflambomate August 21, 2012