Similar to a comb-over, involving the lengthy hair on the top and back of the head to cover up a receding hairline.
Person 1: Fact, Battlestar Galactica.

Person 2: Dude. You do realize your hair is horrible. Right? I mean... are you shitreous? a Comb-Down?

Person 1: Bears.
by Stonefox0357 May 28, 2009
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