1 definition by Jpizzlethebyrd

A tendency for the gluteus to be ever there.

Abbreviated B.A.S

See Also: Jumpulous
Patient: Doctor B I'm having difficulty fitting into my jeans.

Doctor B: I'm afraid you have a severe case of

B.A.S. Very advanced, the best I've ever seen!

Patient: B.A.S.?! OMG Doctor, what is that?!

Doctor B: BIG AYASS SYNDROME!!
(big ass syndrome)
by Jpizzlethebyrd May 22, 2010
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