When a girls ass its so big when she walks in hall ways it hits the side of the walls, makinga a ba dunk-a-dunk noise. also when slapped it jiggles anywhere from 5 seconds to 4 hours

1. damn kim your ba dunk-a-dunk butt is denting the walls in the hall

by dpizzle February 20, 2005

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ga-dunk-a-dunk

a big fat ass

a big black ho and her ga-dunk-a-dunk ass

by joe da flava May 14, 2003

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ba dunk a dunk

ass so big it makes a man say, DAME!

Look at the ba dunk a dunk on that bitch. DAME!

by FineAssMan December 28, 2005

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pa dunk-a-dunk

Junk in the trunk.

A large butt.

"Man, she got a pa dunk-a-dunk"

(Yelled) "pa dunk-a-dunk!"

by J a c o b September 02, 2005

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