Top definition
A sexual practice involving a combination of felching and oral sex whilst a woman is menstruating.
"Wow, I went the whole way the other night with that girl from accounts - decided I wanted to smell the metal, and ended up with a mud rainbow"
by Lord Plasma October 10, 2011
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Dirty Sanchez Plush

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

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