Top Definition
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
by Art Valentine November 02, 2012
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