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1.
A hairline that appears much lower on the forehead than the average hairline. The opposite of a receding hairline.....a "proceeding" hairline, if you will.
Guy "A"- Did you see that hairy chick's

neandrathal hairline?

Guy "B"- Her hairline almost touched her unibrow. I think

we just saw the missing link.
by redroxx50 March 05, 2012