The distant cousin of Dirty Sanchez. When someone inserts their chin deep into the asshole of a willing participant and upon removal has a shit beard.
Scott: "Hey Joe, did you hear about Ali the other day?"
Joe: "No, what about him?"
Scott: "He gave this chick a mean Dirty Rafael."
Joe: "No way!!"
Scott: "Yeah, go and smell his new beard."
Shitting in a persons mouth throwing them out a window then farting on there nose whilst shouting i lovehitler
Pearso:"i gave the chick at the club a dirty raferty last night"
Simon:"i gave one to my older brother last night too it was very strange he kept saying im not gay"
A dirty rafael is the act of getting fucked in the ass by a horse while shiting around the horses hard dick then turning around and feeding it to the horse