teen-edger

somebody who adopts the ethics and lifestyle of straight edge just to be cool. It may be done to hold a moral high-ground over your peers, or just a reason to combat your homo-erotic feelings by punching somebody in the face, a means of justification if you will.
Teen-edgers may claim to like Minor Threat, but only because their friends do.
Drink's Pepsi because it's ethically made, according to what the person with the highest scene points says.

"I'VE GOT STRATE EJ!! GUYZ!!"

or

*punches in face/looks down on you for drinking a beer*