Top Definition
Adj. General term used to describe the over all poor quality of a person, place or thing. A derrivative of weak sauce, it's a more underground means of referring to someone who is, in fact, weak sauce.

Robert: Hey, Ira, how's you do on Mr. Fabregas' test?

Ira: Bro, that test was whack stallion.
by yumul November 07, 2006
5 Words related to Whack Stallion

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