When a guy is denied morning sex by a girl who instead falls back to sleep. As an act of revenge, the guy places a used condom over the sleeping girl's upper lip then leaves.
I left that hoe with a trojan mustache after she wouldn't wake up for an early morning grind session
by j Dr G August 5, 2009
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When a man is denied sex by a woman in the morning after waking up, when she goes back to sleep, you lay a used condom over her upper lip and leave.
Bob: That slut Jenny wouldn't do me when we woke up so I gave that bitch the trojan mustache.

Tom: Damn straight, bitch had it comin'!
by rarussell93 July 25, 2011
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