Someone with an excessively large forehead which dominates their face.
Bloody hell, look at that cliffhead, don't wanna get in a fight with him!
by PaulMurphy October 28, 2007
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The protruding upper frontal lobe including the lower mandabul forming a facial feature also know as a cliffhead
Michael get your cliffhead in the window before I wind it up in there
by Shade of grey December 5, 2018
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