Guy Sebastian’d

When a bloke grabs your dick at Ivy.

This bloke totally Guy Sebastian’d me in courtyard last night.

by TheFillipinoColonel November 28, 2021

Doing a sebastian

Public bathroom masturbation popularized in the Netherlands with unknown origins

The waiter saw me doing a sebastian

by Psychomaniac66 September 12, 2018

Make a Sebastian

Making a year without having sexual intercourse.

Make a Sebastian?
I'm going for the second!

by Gurudosexo March 23, 2019

Arielle x Sebastian

They’re just like each other

Have you hear Arielle x Sebastian is a thing from gabe

by Arielxsub October 26, 2020

Sebaciel

A pedophilic, abusive and toxic ship between a child and a demon old as balls.

"I find it disturbing how people think Sebaciel, a pedophilic relationship is cute."

by ThisMansGame July 13, 2016

sebastian

he's a guy most people like, His Penis isn't very large ranging from 2 - 3 inches. he doesn't get many ladies, but all the guys love him. he likes to get in trouble and is often associated as a faggot but most but School teachers love him.

that guy is such a sebastian

by UrbanDictaionary August 9, 2016

Sebastian Slasher

A professional wrestler who acheived success in the early 21st century as the frontman for the Glam Band 'Thrust'.

I watched Sebastian Slasher and realized how awesome hair spray, mullet's, makeup, and two men screaming into a single microphone can be...

by Sebastian Slasher July 1, 2007