Top Definition
The sluttiest mustiest foul-smelling girl at a party that one of your drunken friends hooked up with due to your encouragement that she was in fact attractive.
John, I can't believe you boned that sewer monster last night..I was just playin when i said she looks like Britney Spears. She looks more like Aries Spears...
by Chadwell July 15, 2008
6 Words related to [sewer monster]

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