oily fart

A fart that can occur while on certain meds or after eating certain foods that is similar to a shartbut much more liquidy. It can also leave a grease ring.

Paris Hilton: I better not wear white pants for a while
Nick Lachey : Why?
Paris: I'm on some meds to control my shopping sprees and they give me oily farts, I wouldn't want to leave a grease ring around my ass.

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