A person or people that are very annoying, just like an itchy annoying rash on or around your vagina
Dude, your brother is such a cuntrash..hes always playing your xbox...

yeah hes adopted...

damn...
by Eggsta187 July 14, 2011
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An absolute fucking cunt(usually male) who is alwayz gettin' up in yo' shit.
"Fuck you Cuntrash, get yo' fucked up shit away from me."
by Diego September 4, 2003
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well....a cuntrash is one who is blessed with a rash on their genitals
or a complete wanker.
oh dave, you is a cuntrash man!
by oliver thompson May 6, 2003
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