Acronym: "What Would Ol' Dirty Bastard Do?"
Reference to rapper Ol' Dirty Bastard(or Big Baby Jesus, Dirt McGurt, etc.)
and the WWJD phenomena.
It's use is to inspire thoughts of what Ol' Dirty Bastard might do in your circumstances. Likely something very strange indeed.
Person: I was in line for the movie and some fat bitch kept jabbering like a whiny liberal, annoying everyone. WWODBD?
Person 2: Eat McDonalds fires and piss on someone, most likely... get on it.