having sex with a dirtbag whore
if you have sex with any girl that dylan has had sex with, then your riding dirty(mikes sister and krista)
1.driving with drugs or other illegal shit in your car
3.sex with a filthy whore
Dylan: hey guys i had sex with mikes sister last night, then i shat on her chest
Kyle: thats fucking sick, you were riding dirty, and get away from me, you smell like shit.