Top definition
a mustache above a womans vulva, either personally trimed/waxed on the womens mon pubis or a reference towards a man with a mustache performing vaginal-oral sex.
"Sorry honey, not tonoght. I knicked myself trimming my mustaffe"

"They havnt spoken since Micah gave her best friend a mustaffe."
by Honorary Stache October 05, 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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