Top definition
An adjective used to describe something cool, awesome, excellent, outstanding, or crazy. It is definitely a superlative adjective, only used when the subject is extremely good or amazingly superior, or there is much energy involved in the speaker's passion about the subject or the excellence of the subject itself.

Usually preceded by "fucking"
I went to that DMST show last night, they were fucking gnash!

You got us there in no time, driving fuckin' gnash like that!

The protest was fuckin' gnash man, even fucking Jane Fonda showed up!

by fuckdc May 17, 2007
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2
A backward song with other meanings or to send cryptic messages.
2pac uses gnash to tell a different stories in many songs. Example, Dear Mama reversed.
by Kraaazzy October 24, 2008
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3
A rAndOm WorD we SAW while looking for nun porn.
I may like the gnash!
by NuNs gone wild February 12, 2004
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4
by Concerned Female April 28, 2004
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5
We just gnashed.
by Anonymous June 03, 2003
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6
When you joke or take the piss out of somebody, and they respond in an attempt to defend themselves

Otherwise known as a "nibble" or "biting"
Seb: "Jamie you're a ginger twat"
Jamie: "Well you've got no mates"

In this instance, Jamie is gnashing to Seb's insult

Nibble Bite
by sh123 January 22, 2017
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7
funniest guy in Ogrish.com
I went in to ogrish.com to see dead people but just ended up looking 4 gnashss jokes
by Mary lou February 18, 2004
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