Commonly acquired after wearing a headset (i.e. XBOX Live Headset) for as little as 10minutes.
Resembles hat hair: But runs from one ear, across the top of the head, and down to the opposite ear.
Very recognizable to any gamer.
Very embarrassing to have.
1.) -"Hey man, sorry i'm late. I ran into some trouble on the way over here."
-"Dude, i know you were playing XBOX, i can see your Headset Hair."
2.) -"Dude, take off the hat. We're going in the pool."
-"No way man. I have Headset Hair. I'm so embarrassed."