Dirty Sanchez is taking ones penis after anal sex and going across the upper lip creating the mustache. Often confused with using ones finger which is a HITLER.
I pulled out and tried to go Ass-to-mouth she wasn't down for it so I gave her a dirty sanchez in stead.
by Magikpballa January 10, 2007
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a dirty sanchez is when you have anal sex and then smear the remaining feces onto your partners upper lip, like a mustache.
I tapped some freaky booty last night, she was so freaky she wanted me to give her the dirty sanchez.
by alex August 20, 2004
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1. when one lover smears fecal matter onto the others upper lip (whether it by by way of dick or finger), creating the illusion he has a mustache similar to the mustache your gardener, enrique, grew when he was eight.

2. a theory for what the "that" that meatloaf references in the song where he says hed do anything for love (the other being an alaskan pipeline)

3. an event that occurred in dustin diamonds sex tape. the only time in his life taht he was better than meatloaf.
1:
elsa: damn, look at pedros mustache
luis: no mang, thats no mustache, thats his feces mang.
elsa: DAYUM! he betta wash dat dirty sanchez off

2:
groupie: hey baby, can you rub my poo all over my face?
*meatloaf spontaneously bursts out into song*
groupie: i was wondering what the "that" was
meatloaf: yea, i cant decide if i wrote it about a dirty sanchez or an alaskan pipeline, either way, youre nasty

3:
dustin diamond: wow, im such a loser, my career is dead. im gonna go smear my shit on some chicks face, that will help me!
by DËWadïct March 22, 2008
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Doing a chick, best when doggy style, and at some point during the act of sex...sticking your finger(s) in her ass, and then rubbing that finger(s) on her upper lip, thus giving her a fecal mustache.
"That bitch got pissed when I gave her a dirty sanchez"
by Tommy PWT October 27, 2006
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putting your shit on someone elses lip
he passed out so i put my shit on his lip, you know a dirty sanchez.
by ass bag July 11, 2008
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An act characterized by the fingering of the ass and the giving of a "thin shit moustache." Not to be confused with the dirty rodruigez.
I was bangin' her ass and then I decided it would be a great idea to give her a dirty sanchez.
by dirty_bird November 21, 2006
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when anyone male or female stick there finger up his or her ass and rubs it along someones mustache leaving a horrible smell
corey gave that kid a good dirty sanchez
by cma05wl November 26, 2009
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