Where a man has anal sex with a woman, then wipes his shitty penis under her nose, making her look like she's got a Zapata moustache. Hence the Mexican-sounding name.
'Hey, that crazy chick I boned up the ass last night wanted me to give her a Dirty Sanchez!'
by discreet-uk January 04, 2013
A New York Jets football player who wipes his boogers off on another team's player during a game and goes on to lose big time.
Did you see how awful the AFC championship game's first half was with that dirty Sanchez not paying attention?
by Nudniky Rick January 24, 2011
When in doggy style slip your finger in her ass and then reach around and wipe your finger on her upper lip and then hang on
by freaky-b November 21, 2013
Everyone is wrong. A Dirty Sanchez is a slang term for filthy Mexican. Usually this term refers to a male particularly ones named Sanchez, Juan or Pedro. Usually the source or filth is low paying yard work but may also include dirt accumulated at home or in a vehicle due to cramped living conditions in Hispanic households.
Yesterday I saw a bunch of Dirty Sanchezs planting bushes in my neighbors yard.
by Ukrainian Palestinian Mexican August 30, 2014
A dirty sex move where a man poops across a woman's lip, giving the appearance of a mexican mustache.
"I want you to poo on me. Give me a dirty sanchez
by Trause Agent 007 September 29, 2011
To wipe a booger on your friend or teammate, to wit, New York Jets QB Mark Sanchez in the 2011 AFC Championship.
I've picked a good one, now I need a target for a Dirty Sanchez.

Ew, Mark just Sanchezed his clean jersey.
by Andrew Scriber January 23, 2011
Everyone is wrong it's when a male and female are having anal sex and when the guy pulls his dick out and there is shit on it
Victor:Dude BJ last night i was having anal sex with my girl and when i pulled out there was shit on my dick

BJ:Awwwww dude she gave you a dirty sanchez
by CHS_VictorN and BradW January 07, 2011

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