Dirty Theo Share definition Flag When a guy eats out a girl, spits out her cum on her stomach, then slaps her for cumming in his mouth. This girl tried to cum in my mouth last but i said bitch! and gave her that young dirty theo!! Dirty Theo by thjoha December 18, 2011 0 0 Get merch Get the Dirty Theo mug. Buy Now — $32.95 See more merch