a technique usually employed during the rear entry sexual position in which a man places his finger in his own ass and then rubs his finger along the upper lip of his unsuspecting partner; variant of the Dirty Sanchez
Yo dude, I gave Lindsay a Dirty Davis last night and the mamma went buck wild. She was a mad ride
when a guy with untied shoes and glasses splurges on a woman's hair and messing it up, looking like a dirty hobo.
Man, that guy just jizzed on her head. She looks like a Dirty Davis.