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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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Jul 12 Word of the Day
The horrible moment when you realise that you have accidentally done something very slightly wrong which has very bad (usually embarassing) implications for you. This is typically the moment of realisation that you just sent a dirty text message to a close member of family, typically your mother, rather than the intended recipient.
Message: "i'm free this afternoon so come over and fuck me senseless, my parents will be out all day"
Recipient: Mum
Message Sent
- Onosecond occurs here -
by Jimmed September 26, 2006
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