Whack Stallion
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.
Ira: Bro, that test was whack stallion.