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."
Spencer "Shut up."
by notSkelly July 3, 2011
Get the Upper cummug. it a derogatory to example what an ass or bitch your being like a guy who miss the chick's mouth when he was cuming and let her past out with the cum still on her upper lip.
Art: You were such a damn upper lip cum stain, for not waiting for me
Joni: Sorry, I tired to text you but your phone is being an upper lip cum stain again
Joni: Sorry, I tired to text you but your phone is being an upper lip cum stain again
by Art Valentine November 2, 2012
Get the Upper lip cum stainmug.