Definitions for "Dirty Sanchez"
dur-TEE SAN-chez/ 1. n. a filthy hair-lipped Mexican peasant. 2. n. The act of fingering a chick's cornhole, and wiping the remaining detritus on her upper lip while screwing her from behind, thus leaving a trail of shite mustached across her visage.
performing oral sex on someone after they engage in anal sex. A dirty Sanchez or filthy Sanchez is a term describing any sex practice that results in a person having a "mustache" made at least partially of fecal matter.
After anal sex, wiping off the dirty penis or hand on the woman's upper lip, to simulate a moustache.