gnah 

Something that you refuse to do so much it needs a G. Pronounced Guh-nah

Kyle: "You should get a sex change"
Jerry: "Gnah"

gnah by Jerry Martin July 19, 2007

gnahah 

(Pronounced ga.nah.ha) Can be used in any situation but is often used to bother, annoy, irritate, or anger someone. Note: To be used often and repetitively.

What is your favorite color? Gnahah.

Favorite Song? Gnahah
"Go brush your teeth"said mom "Gnahah,"I said " I'm serious." "Gnahah" "Now!" "GNAHAH" :)

gnahah by Omifreakingod May 15, 2011