A growhawk is a mohawk that has grown out, and is almost undetectable, but still there; when the wearer is too lazy to get the sides shaved again, or has been forbidden to do so by his/her parents.
"Did you see Ian?" "Yeah, he's got a growhawk now, looked sweet in July, but he can't get it done again because school started last week."
by lacuenta September 08, 2009
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