Dirt Sanchez 

When someone tries to give a dirty sanchez but has trouble finding enough fecal matter, instead resorting to using dirt to make the mustache

"He gave you another dirt sanchez last night? Have you been getting enough fiber?"

Dirt Sanchez by dolphinarms October 20, 2008

dirtysanchez 

When two people are engaged in sex, one person, usually the male, inserts their finger in the anal cavity of their partner, and proceeds to wipe particles of feces on the upper lip of their mate.

My girlfriend and I were having sex last night, and right after I had an orgasm I gave her a dirty sanchez.

dirtysanchez by Pete March 20, 2003

dirtysanchez 

When your getting some brown lovin' and you smear some shit on your lovers lip making her look like shes got a brown mustache.

The dirty bitch loved a thick dirty sanchez

dirtysanchez by BlueOyster April 30, 2003