The real dirty sanchez is when after lovingly cuming in your girl's ass you insert your finger in her pooper and remove cum mix with poop and place it carefully on the upper lip of your loved 1 looking like a well drawn mexican mustache, also known as a "DIRTY PIER" in europe for the resemblance to a french mustache "Pier" and cause they stink, but; almost always welcome when is tastily done.
My girlfriend loves dirty sanchez, but my wife not so much!!

by ferjll October 24, 2007
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As defined by Kelly Osbourne on the Howard Stern Show, who is an authority on vulgarity coming from the Osbourne family...Dirty Sanchez is a non-sexual practical joke where the offender inserts their index finger into their vagina or butthole then swipes it across the victims upper lip.
My mom was being a bitch so I sneaked up and gave her a Dirty Sanchez.
by Stonewall June 13, 2005
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1-Shit Mostash

2-A Welsh version of Jackass but funnier. Contains such Gems as- Arse grip tape slaloms, Running over dation with a car, Is this Ice cold? and it sequel OH MY FUCKING GOD THAT ICE IS COLD! and Slaps (A game involving Well, Slapping). Some Banned senes involving Piss and shit eating, Giving himself a knob Piercing and running into a Bull. Shockingly, the bull wins. Also One seen called ‘Beer Enema’ Where one guy gets a Enema with beer and another drinks it. This has to be seen to be believed… Only On MTV UK (I think)

3-A Dirty Mexican.
nt Just Fucking fo it
*Smash*
ARGH!
by Dan Lewis May 18, 2005
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When getting anal sex the man takes out his cock and puts it on the womans face.
After I had fuck this chick in her ass I gave her a major dirty sanchez.
by Isaiah Cruz April 25, 2007
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On the next Dirty Sanchez...

Pancho gets liposuction in his ass. They put the excess fat in a jar and Dan drinks it.
by Christian Felts March 3, 2008
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a disgusting thing when the guy puts a finger in the females ass and spreads the crap on the upper lip.
the worst thing ever!!!!!!
my ex-boyfriend gave me a dirty sanchez at a party and said he cleaned it off but he didn't so when we came out of the room every one laughed at me! : (
I guess i should wipe my ass better.
by Missperfect January 7, 2008
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When a man (or woman) has a thin mustache on his or her lip. You may see many Mexicans with Dirty Sanchez's
I got so mad at that bitch, I wanted to punch the dirty sanchez right off her face!

The 15 year old boy was being made fun of for his diry sanchez
by fredknockerjoebob July 11, 2009
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