"I was excited, until the reality set in... It's like this punk idea that seems cool 'til you're doing it. You like GG Allin in theory, but then when he's actually s**ting onstage and you're standing there, it's not fun and you think, 'Wow, this is a bad scene.'" Dinosaur Jr. rocker J. Mascis regrets his brief tenure with outrageous punk rocker Gg Allin.