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A young mans hair which unfortunately resembles that of an older gentleman wearing a toupee.

Hair which is thinning at an immense rate and styled in a way to conceal this, unsuccessfully.

Usually associated with tight foisted individuals who occasionally have intercourse with family members.
He seems like a nice guy but he definitely has a Chris Flap.

Look at what the weather has done to that guys Chris Flap.

Person 1 - "Look at that guys hair!"
Person 2 - "I can't see much hair, it's more of a Chris Flap."
via giphy
by MattNicholson July 31, 2017
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