1 definition by Meg Krav and Meg Kill

n: boyfriend/girlfriend, originating from the online slang "bf/gf". syn: dating, together, in a relationship.
1. -"I've seen Mary and Jon around frequently, and most of the time they're holding hands and gazing lovingly into each other's eyes. Are they biffgiff?"

2. -"Hey, yo, are you guys biffgiff?"
-"Nahh, dawg, we just do the horizontal mambo."
by Meg Krav and Meg Kill September 21, 2005
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