2 definitions by harder faster

In trading, when you get a better price than expected or
using fecal matter as lubricant
Awesome trade and I got dirty slippage
by harder faster May 13, 2011
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During oral sex, a man removes his uncircumcised penis and swings it towards the unsuspecting woman causing the hood to hit her in the face
she was going down on him and he pulled out and hood wacked her with his foreskin.
by harder faster September 6, 2012
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