Here's the definition from Urban Dictionary:
Genre of softcore punk music that integrates unenthusiastic melodramatic 17 year olds who don't smile, high pitched overwrought lyrics and inaudible guitar riffs with tight wool sweaters, tighter jeans, itchy scarfs (even in the summer), ripped chucks with favorite bands signature, black square rimmed glasses, and ebony greasy unwashed hair that is required to cover at least 3/5 ths of the face at an angle.
Here's a student who actually let me take her picture next to a not-so-random magazine in our library...
I tried to protect her identity by blurring out her facial features. But really, how great are Middle Schoolers?!?!