Bus driver ass. The way a bus driver's ass retains the shape of their seat when not in the bus. Usually a large, unpleasant ass you can rest a six-pack on.
best damn asians - exclusive club formed by a couple of asian supremacists at john jay high school. all they do is brag about being asian and shun white people. no fun...
white girl: "Why did you join BDA?"
nice asian friend: "Umm...cause i'm asian"
white girl: "Well you know I cant talk to you know, cause BDA doesnt let its members talk to white people."
nice asian friend: "Oh...oh well. BDA REPRESENT!"
An abbreviation of the words Big and Dumb, followed by the initial of the persons name, most often used where the person in question is within earshot.