Xavier - "Yo I tune fucked Lisa last night"
Chris - "Really, nice to what song?"
Xavier - "Jingle Bells"
Chris - "....."
Xavier - "Yeah dude tune fucking is awesome"
Chris - "I'm going to go shove a horse up my ass"
This phrase is used to either be emo or to mock an emo kid. It describes the classic emo musician and poignantly mocks the ever-so-sad emo song.
A: I ran out of black eyelinerthis morning, and my new hair isn't as black as I wanted it.
B: This is such a cruel world...
Bystander: Aw, I'm gonna tune my guitar to sad.