When a man is having anal sex with someone, pulls out, and busts on the same someones face through the excess ass residue (doo doo), effectively filtering the discharge through excrement.
Bovice sure 'dirty filtered' that dude the other day.
Alex's face was all white and brown from that dirty filter.
Alex's face was all white and brown from that dirty filter.
by DSauce June 13, 2009
1. verb. A Dirty Coffee Filter is much like a teabag except that that when one is dunking the scrotum in ones mouth they either shit or wipe their dirty ass on the nose or face. Thus making the face look like dirty coffee grinds have been wiped on the face.
2. A teabag with fecal matter
2. A teabag with fecal matter
I was going to teabag Kim last night, but I ate white castle and my ass just let go, and I dirty Coffee Filtered that bitch.
by Gags730 October 14, 2014