Top definition
The act of spreading a stick of butter on your penis and inserting it into a girls anus and pumping her ass in tempo.
"Colin gave me a Buttery Colin last night to Bartoks fith Symphony."
by Collllllllllllllllllllllin October 05, 2007
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Dirty Sanchez Plush

It does not matter how you do it. It's a Fecal Mustache.

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