ECMF's definitions
Refers to when a man has finished fucking a chick and pulls out his dick, then proceeds to take a dump on her pussy before taking a step back and pissing on it. In doing so resembling a very mustardy crumpet.
The other night Chris accidentally walked in on his sister Steph getting a mustard crumpet from her boyfriend.
by ECMF May 28, 2010
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