When something is totally wrong, gross, disgusting, out-of-whack, but taken to the extreme. Also, can be taking to the other extreme, in the positive sense.
That girl was ugly. She wasn't just gnarly, she was guh-narly.
That wave was killer, totally guh-narly.
That wave was killer, totally guh-narly.
by grizohio November 4, 2009
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