Top definition
When a guy ejaculates inside their partner's anus and then they fart or force it out and then rub if all over the others' chest and then rub it around to look like someone blasted it onto their chest.
Miley did a reverse anal blast on Justin's chest.
by DirtyOracle November 08, 2009
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Dirty Sanchez Plush

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

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