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A state of constant arousal and wanton lust. Derived from the concepts of permanence and the root of horny.
Rocco: How's your day been?
Erol: Hard! severe case of permahorn.
by katherine heathcliffe February 23, 2005
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2
when one uses gel (or wax) in their hair so much to create a horn daily that when they don't choose to use gel (or wax) in the morning to style their hair, the horn is still there
Even though Bo didn't use gel (or wax) today, his permahorn was still showing.
by permahornhater November 10, 2008
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