The act of finger poppin' your man's booty hole, and when you pull out your finger, there's just enough poo to draw a smiley face on his Cadbury Egg sack.
When your girlfriend sticks her middle finger up you ass while you're sleeping and gives you a mustache with it... Payback fory the good olddirty sanchez!
Woke in the middle of the night to a sharp pain in my ass, didn't know till morning when I went to brush my teeth that my girl had given me a dirty Khristina...