gagnasty 

Something so nasty, it forces you to gag.

Dude, that food is gagnasty...

gagnasty by James Jarvis August 5, 2004

gavnasty 

extreme hottness, see sexy

Damn, that dude is Gavnasty.

gavnasty by Hill January 10, 2005

ganasty 

1.This is a combination of words meaning gay and nasty.( the word should not be taken as an ofense to gays.)
2. Very ugly

Why did you do that Brandon? That's so ganasty!

ganasty by Lexi May 14, 2004