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gross and nasty put together to form one word; discusting, rank, vulgar; gag-worthy
His breath smelled gnasty after he drank grapefruit juice.
Your hair feels so gnasty because you haven't washed it in 4 days.
by luciaheat October 24, 2006
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So Intense That You Can't Discribe It With Anything Else.
Opposite Of Nasty Yet Pronounced The Same.
(V.)Mike Just Pulled A Gnasty
(Adj.)Ohhhh That Was Gnasty When You Punched Tony In The Face So Hard That It Broke His Nose
by NJC - Nick Cormier November 16, 2005
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completely disgusting, horrendously sickening,
dude, that guacasalsa is gnasty.
Melinda? that bitch is a gnasty ho!
by daniel r May 28, 2003
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Adj. describing a person/place/thing that is so awesome/super/crazy delicious it beats all others into the ground like a piledriver.
That movie was pretty g nasty, I'm not going to lie!
by Colin M. Smith August 09, 2006
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(The "g" is silent.) Extremely nasty; so nasty gnats would swarm around it.
Your crusty underwear are so gnasty.
by melissar July 03, 2005
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So out of this world, sick, totally insane, or impressive. It's origin is Sam the God of Hell.
That hup off that kicker was so gnasty earlier yo.
by Streetcypher October 02, 2016
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