(n.) a swarm of gnats, proving so vexatious as to warrant a comparison to the totalitarian regime of the National Socialist German Workers' Party (Nazi).
Fuck the great outdoors! These gnazis are pestering me like the Gestapo!
by Da Sperminator January 22, 2011
A shorthand version of saying or writing Grammar Nazi.
Dude, that Gnazi corrected me so damn much. I say we beat him up after dance practice.
by Noah Anderson September 10, 2005