badicool Share definition Flag A combination of the terms "bad" (jive-meaning: good), "cool," and "radical." "Oingo Boingo's playing a Dead Man's Party on New Years at the Sports Arena. That's gonna be badicool!" badicool by BAD ASS! May 2, 2009 0 0 Get merch Get the badicool mug. Buy Now — $32.95 See more merch