Top Definition
A ba-unka-unk is a girl that has a booty but no D's. Derived from Badunkadunk. Big booty no boobies.
Damn that chick is hot. Naw man shes a ba-unka-unk. I could rest a cup on that ba-unka-unk
by Kevin V. & Nate J. January 04, 2009

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