a combination of the words 'fugly' and 'nasty'. describing anything or anyone gross, ugly or awkward.
ew, that chick is fugnasty!
by alisonkate February 13, 2008
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fuckin ugly and nasty combined.
I used to think she was hot, but then I saw that cellulite and realized that she was fugnasty. DAYUM
by NOELLLLL May 31, 2006
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a short version of fuggin-nasty.
My old teacher saved his whole platoon in Nam by jumping on a land mine -- but damn that crazy was fugnasty.

syn. = fugly, just ruder, to be used at the end of a sentence only, with a hard quick emphasis on the FUG part. This is a stepping stone to the use of the F-word in more everyday contexts.
by Phil44fan November 17, 2005
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