Top definition
The complete act of buying a rodeo cheeseburger from burger king, smearing the open face of the burger over the anus and buttocks of another, and performing anal sex using the contents of said burger as lubricant.
Hey babe I'm feeling froggy, wanna head down to the local Burger King, come back here and do a McRusty to pass the time?
by CandylandTM May 27, 2013
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