Top Definition
Someone in possession of a large posterior. Also known as "junk in the trunk."
Hey, did you see Becky's huge badunkadunk butt? It looks like she has balloons stuck to her ass!
by MRI July 30, 2005

The greater than averaged sized booty of a female when in motion. The booty makes 2 moves. 1st, badunk(up) and 2nd,adunk(down).
Damn, did you see the booty on that was like....badunkadunk!
by Skinny B August 21, 2005
any chick with a HUGE butt, sticks out, bubble butt, round and plump butt
Stephanie has a badunkadunk butt for a white girl.
by Jessie B. August 15, 2005
A person with a large butt, or some one who has "junk in the trunk" usually refers to black or hisppanic girls.
Girl you got a badunkadunk butt
by MOA Aduba July 07, 2005
a butt where the two halves move intwo directions at the same time, the left will go up while the right goes down. when they cross they form a badunkadunk
Matt was walking behind the girl to see if she had a badunkadunk butt. then he prematurly ejaculated all over his whitey tighties.
by Kben October 19, 2005
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