1 definition by notSkelly

Top Definition
The act of blasting yourself in the chin with a powerful load and knocking your head back. Usually occurs while stoned. Very embarrassing and usually results in an itchy chin all night, no matter how thoroughly you wash.
Shaun "Dude, I was getting a handjob from some chick last night while i was stoned and i gave myself an upper cum!"
Spencer "Shut up."
by notSkelly July 01, 2011

Mug icon
Buy a Upper cum mug!