Dirty, deplorable, disgusting condition; the lack of cleanliness and overabundance of filth often found in a college fraternity house.
"When I saw how much old mac & cheese and other greasy funk was matted on that frat-nasty oven, I literally gagged."
by juleskills October 28, 2010
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Dude, we got so fratnasty at last night's party. I took down a beer bong and shot gunned beers all night.
by Almarock April 1, 2013
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frat-nasty
• Fatnastybitch
• frat
• frat star
• frat rat
• frat boy harry
• frat daddy
• Frat Party
• Frat water
• frat-tastic
She was a fatnastybitch....
by CBLOOD98 November 14, 2017
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