n. pl. 1. Semen stain schrapnel that is most clearly seen or visible (usually glowing) under black-light conditions. 2. Masturbatory evidence identified by a textural diference with the underlying existing surface typically found on or around one's personal computer.
Dude, you're such a perv...you got Monsees all over my mousepad!
by Joe Fucking Sixpack October 07, 2005

5 Words Related to Monsees

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