Top Definition
almost exclusive to audiophiles, the skull crease is identified as an indent in ones hair, caused by a person's headphones pressing down his/her hair, making a 'crease'. this often happens when you play lots of music, or you just put your headphones on to block out what your teacher is telling you. this can also occur when a woman uses a headband or elastic to keep their hair from flying everywhere
my bro: wow that was an intense game of MW3!!
me: wow i bet.... nice skull crease.
my bro: wtf is that?
me: its the spot n ur head that ur hair is pushed down from wearing ur headphones.
my bro:is that good?
me: its a way of telling you that u need to get out more
by antoinette34 December 25, 2011

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