A fork of Rural Dictionary
Much like the Dirty Sanchez but instead of sticking your fingers in her ass, u stick your fingers in your own ass and wipe it under her nose.
I got drunk with your mom and I gave her the Ole "Filthy Sanchez"!
1. the sexual act of following anal sex immediately with oral sex, which causes residual fecal matter to coagulate on the recipient's upper lip, resembling a Mexican handlebar moustache 2. Unexplained sexual position taught by South Park character Mr. Garrison to his kindergarten class.
(1) 'Naw, I gave that slut Jessica a Filthy Sanchez, dude, not the other way around!' (2) 'Ike, do you know what a "Filthy Sanchez" is?'
Receiving oral sex while taking a shit on the toilet.
This slut at the taqueria follwed me into the restroom and give me a filthy sanchez.