The single greatest specimen to ever walk gods green earth. If you've ever been near Li'l Sebastian he no doubt stole your very soul. Unless your name is Ben. Also known to be one of the only things to make a Ron Swanson giggle like a little school girl.
by PoeticWhisper October 17, 2015

"Wait what... Harry from Duplicity is actually called Sebastian Walker?"
"Yep. He's had a fake identity before. Now we know his real name."
"Yep. He's had a fake identity before. Now we know his real name."
by julez <3 April 12, 2021

Ex-vocalist of Skid Row. Currently on tour as a solo act. Very attractive and the Skid Row sucks without him. Has two children, London and Paris and a tattoo on his forearm that says "Youth Gone Wild." Currently performs on Broadway
by Blurgh May 3, 2005

Mostly classified as a sexy, good-looking mother fucker. He acts like a blonde sometimes, but people love it.
by BillyBobBaby December 6, 2014

A belief in the imminent return of Bob Knight to Indiana University; soon to be followed by a National Championship.
Through this overly long Dark Night of the Basketball Soul, Heather was consoled by her Hoosier Sebastianism belief: soon Bob Knight would return; soon the Big Ten forces of evil would be vexed; soon the Red and White would triumph!
by Duckbutt December 28, 2003

Born Sebastian Bierk, was lead singer of the heavy metal band Skid Row from 1986 to around 1995 when he was kicked out of the band.
One of the best metal singers ever.
One of the best metal singers ever.
Dude #1: wow that guy really knows how to sing
Dude #2: he's no Sebastian Bach
Dude #1: Sebastian who?
Dude #2: *shocked* wow dude, you deserve to die.
Dude #2: he's no Sebastian Bach
Dude #1: Sebastian who?
Dude #2: *shocked* wow dude, you deserve to die.
by RubyMoon April 19, 2005

person 1: that girls weird she never knows what’s going on
person 2: she’s such a sebastian stan
person 3: i am too!
person 2: she’s such a sebastian stan
person 3: i am too!
by lokixbuckylove August 7, 2019
