Badonkadonkadonk 

A Big ass, like a really Phat fucking ass

Man: Hey did you see that girl at 1st period?
Man 2: Fuck Yeah, she's got a Badonkadonkadonk
Man 3: You got that right bro, totally would smash that

Badonkadonkadonk by realnibber56 August 17, 2018

Badonkadonkdonk 

(baa-donk-ah-donk-donk)
A nice ass

"Let me see your badonkadonkdonk"

Badonkadonkdonk by Randi® April 1, 2004