a vigina that is carrying a host of diseases.
Make sure you have plenty of protection because Gina gots the twat rot again.
by Digger September 4, 2005
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The smell dirty women give off from between their legs when they don't bathe regularly or properly.
"Did you get a whiff of Leslie? Her twat rot could knock over a horse!"
by Liips March 14, 2008
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A rot twat is an incredibly unoriginal hipster girl who has a facial expression like she just licked battery acid, permenantly. She tries to screw whoever she can, whenever she can, usually standing in four inches of sweat and sludge in the men's room of a seedy, yet trendy bar.
"Did you see that girl go into the bathroom with Randy Andy?"

"Yea that girl is such a rot twat. I heard that she only showers on easter and x-mas. unless she just had sloppy drunk sex. then she waits another week."
by bette the bat August 10, 2008
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