Gaynious is an expression used as a sarcastic comment for naming a person that has done something stupid (like genious) but also insinuates that that person is gay.
Marko: Central heating is harming the world
Jurus: You mean global warming?
Marko: Oh yeah that's right
Jurus: Fuckin' gaynious
Jurus: You mean global warming?
Marko: Oh yeah that's right
Jurus: Fuckin' gaynious
by Jurus June 19, 2007
Who gives a fuck what some crazy motherfucker did 2000 years ago in history!!! Why the fuck should I know this fucking shit!!! Fuck you!!!
by Jurus November 24, 2006
by Jurus June 25, 2007