Junk in the trunk; a rotund or corpulent behind; something you can pull up to and put your mug on
The pretty girl had a budonkadonk that jiggled as she walked down the street.
by keo g h April 20, 2006
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To have an extremely larged, oversized, inhumane arse. Orinates from the beast itself, Katie Noon. Can be shortened by saying Budonks.
Griff: "WOAH!, i nearly got sucked into the portal of budonkadonk!"

Griff: "Don't look at that budonks, it's bending over again!
by Dat Indian Breddah April 23, 2008
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A large, round plump ass, that jiggles when the chick walks.
Also see Doubadonkadonk
by Stapes November 05, 2003
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