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A men's hair style typically found in Big 10 fraternity houses, as well as on older men who don't want to admit that they are now adults, where the hair just above the forehead is spiked straight up but lies flat everywhere else, making it appear as if there is a wall separating one's face from the hair on top of their head.
Are you trying to look like a 19 year old Sig Ep member with that frat wall? Because you're 34. The jig is up.
by Ho-Deck May 25, 2011
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