>>96146633
DM (smirks and rolls d20 in your general direction and gets natural 20.)
Player (flatly): What?
DM: Opportunity attack. Cow defecates on your head.
Player: What-I have 29, she can't, you can't no I'M NOT PLAYING WITH YOU!
DM: Raise and shine, baldy (once you purify yourself.). From now on in all Realms you are known as Sir Cowpat.
Player: NOOOO!

(Pic irrelevant BTW.)