A fancy term, usually used by formal businessmen and rich gentlemen, when they see "dat ass".

Mostly used during dinners party and high-class social gigs.

The two "n's" represent the ass.
James: Oh damn! Look a that girl's ass. I'd hit it from the back, right lads?
Bob: I'd have a go on her.
Horatio: Oh quite! That is the professional bunnage we all know and love.
by Stimperson October 30, 2016
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