1 definition by Riley400

A term describing a person's behind, implying:

a) great pleasure to be gotten from the spanking of said behind, and

b) great amounts of money to be gotten, were the owner of said behind to lease it out to people.
Bro #1: Man, the ass on that chick is pretty damn fine. I'd pay her 10 bucks just to touch it.

Bro #2: Yeah man, that ass is spankable and bankable.
by Riley400 January 3, 2011
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