1. A girl with ass and thighs so thick that if you threw her into a pool they'd sink her to the bottom like an anchor.

2. An ass the likes of Tahiry, Amber Rose or Elke the Stallion
Bob: Stripperworld has their A squad out tonight!
Steve: That light skinned one over there got a heavy booty!
Bob: Hell yeah, ass like that could shake the earth!
by Breezy Cartheezy January 24, 2011
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A large heavy-set person who is big and thick all over or a fat person who has a big butt.
You better put away those folding chairs and bring in the sofa. Why? Stan is coming over to have dinner and you know how gigantic he is, he's got a heavy duty booty and those folding chairs won't survive. big butt, big booty, heavy-set, fat, overweight, badonkadonk, twerking, big ass
by joecoolthefool May 13, 2015
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