Top definition
a word that was created by hardcore teenagers in Ottawa, IL.
The word is used to descride anything at any given time to use as a substituted adjective.
Was started as a secret but I figured if you wanted to know what it means so bad and looked on here, here ya go.

In a nutshell...

Pinnache: adj; Anything you want it to mean.
"Fuck off you fucking pinnahce!"
"Yeah you're a pinnache so go pinnache yourself."
by Snoopster November 12, 2007
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