When a man (or woman) has hair on the sides of their head, but not in the middle/on the top. Usually because of hair loss, but sometimes because of bad hair cuts, or football season and/or camp.
Becca: Dude, check out that man. EPIC opposite mohawk going on.

Micaela: HAHA that's hilarious!

or

John: Dude! Yesterday at football practice, I got attacked by the other guys and a hair clipper! Now I have an opposite mohawk!

Kevin: That sucks bro. Just shave it all off.
by abeccap March 21, 2011
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