1 definition by Heelfigger

Top Definition
The roll under a woman's chin that even slim women have due to performing too much oral sex with a man over the span of time.
I love getting head from Alisha; she has a very comfortable "Ball Shelf" on her.

Damn girl, you really need get that "Ball Shelf" waxed. This blumpkin just isn't as enjoyable as usual; I hope you get backwashed.
by Heelfigger January 05, 2009

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