Greg is somebody who sleeps with your mom and gives you illegal fireworks. He cannot be there when your dad is home. Greg is a cool guy that you and your mom like but your dad doesn’t.
Person: Hey, Greg came by my house yesterday! He gave me some firecrackers! Person: Does your dad know?
by Anounymoose December 28, 2020

by DickSlinger38 August 13, 2020

An owl like man who prowls the streets wearing a tweed jacket, joggers and CAT boots. Is often found lusting over bald headed men and eating Kofta.
by Hairy boiled sweet. December 21, 2018

by ..gfd September 28, 2019

i am now Greg
by Ogre Saliva August 20, 2020

Used to describe a non ally or someone not in a fandom, yet supportive of the aforementioned groups.
by CapTouhou March 1, 2022

by Youknowtheguy December 22, 2020
