Sebastian 

Slang for Suboxone.

Hey man, do you have an an extra Sebastian?

Sebastian by YielderX December 4, 2018

Sebastian 

A really really really really REALLY, attractive guy. A bit two faced, some might say bipolar. Can be rude as fuck but once you know this guy, you’ll want to literally FUCK regardless. Never been more lustful for a guy in my life. Excudes big dick energy.

Rachel: “Holy shit! Meghan was caught in a wheelchair after staying at Sebastian’s house!”
Donna: “Damn i call dibs next!”

Sebastian by hotgirl928392992 March 3, 2019

SeBaStIaN 

man with massivley long but extremely skinny penis.

"man that guy was a real SeBaStIaN, his dick was lick a rhino leg but skinny"

SeBaStIaN by CARLOS oh yes March 6, 2019

Sebastian 

A useless nigga

Dont pick up that Sebastian

Sebastian by That_kid_€ricx April 9, 2019

Sebastian 

The ultimate gamer who destroys everybody in their path (in their dreams) when in reality they burn all their food whilst playing fortnite and ultimately get clapped in all 1 vs 1s

Omg look hes such a pleb! hes such a sebastian!

Sebastian by NovaLocoYT April 17, 2019

Sebastian 

Sebastian is always fighting for sex and romance and wants to date any hot giro he can see

Sebastian says “hey there wanna have sex?”

Sebastian by nybca June 16, 2019

Sebastian 

Someone who eats dog poop for no reason. Also has a cone shaped head

Guy1: Why is that cone eating dog poop?
Guy2: Oh it must be a Sebastian.

Sebastian by jopoop98 July 18, 2019