It's much like being terrorfied but so much worse. Think of someone telling you the most idiodic fact that has nothing to do with anything you were talking about.
1.A person "addicted" to making music tracks, usually owning a recording studio 2.Music is this person's life they will kill to continue making their music
3.Beat maker, producer
Person 1:"Have you seen Ben?!?!"
Person 2:"yeah,dude is such a trackfiend"
Person 1:" Word...He eats,sleeps,and breathes music."