Ba-Donka-Damn! 

An extremely large ass that can't be described simply as a ba-donka-donk. Seeing one gives you an irresistible urge to say "dayummmm".

1. Ross - Check out how big Sabrina's ass is, she's got one hell of a ba-donka-donk

Me - That's no ba-donka-donk, that's a ba-donka-damn!

2. Person #1 Look how big her ass is!

Person #2 Dayuuuum...

Ba-Donka-Damn! by Lord Gibby February 21, 2011

badonkadamn

An expression usually said loudly and rudely about a passing womans hind quarters.

derived from badonkadonk

"That hostess at work has got a badonkadamn!"

badonkadamn by rybate January 16, 2008