What is Ga-dunk-a-dunk?
1.
A big, round, bootylicious ass.
Missy Elliott - Work It
"Think you can handle this ga-dunk-a-dunk dunk"
2.
a big fat ass
a big black ho and her ga-dunk-a-dunk ass
3.
when guys have a bubble butt
aka a large behind that is pronounced and round.
bob: "do these pants make my butt look big?"
sherman: "yeah, bro. you've got some major ga-dunk-a-dunk going on."
See
4.
the male sexual organs
she hacked off his ga-dunk-a-dunk when she found out he was cheating
