The type of hair formed from wearing a sports hat oftenly. It is round and flat at the top while curling upwards toward its ends. A usual look for athletes.
"Girl1: I hate it when guys have long hair. They look like dogs.

Girl2: Guys tend to grow their caphair in the winter to keep them warm. I think it looks sexy!!!"
by aileronrider07 November 7, 2008
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