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."
A man who look masculine but acts feminine. A flaming Rambo.
That flambo can bench press 350lbs and has his own clothing line.
Flaming Asshole, usually the result of spicy food.
Man, that chili we had last night sure gave me flambo!
Discovered by Ursinus College students, flambo describes something totally awesome and unexplainable by any other word.
"oh my god! that new shirt you're wearing is fricken' flambo!"