1 definition by Bryzy

A Hilly is a off-coloured clump of hair found on the head.(commonly a white spot, looking like bird s***)
This may be because of birthmarks on the head.
Man 1: Holy crap! That guy has a kick ass hilly!

Man 2: OMGZOR!@!@!@!@!
by Bryzy April 24, 2007
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