Top Definition
(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" :)
by Omifreakingod April 24, 2011

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