Somebody you don't want fucking any of your female relatives, including your mother, sister, aunt, niece, steps, brother, cousin, nephew, friend, pets, uncle, etc, etc., etc.
My father is a real mother fucker. After fucking my mother, which was bad enough, he wanted to fuck me. Gross!
by exurbanwhitetrash May 26, 2022

by AstrayHellstrom August 22, 2025


a Buddy that is being a Jerk Face; a group of pals that question your Rad; A phrase used to address your friends that are currently being Lame; Someone that knows about Rad Harmony but chooses to be Lame and Hate on a Fellow Def-Radder;
"You Mother Effin Semi-Sorta Groover, you need to get away from me! You are ruining my Gnarly Rad Harmony!"
"Let the Mother Effing Semi-Sorta Groover's Hate, I am gonna kick back and Celebrate!"
"Let the Mother Effing Semi-Sorta Groover's Hate, I am gonna kick back and Celebrate!"
by Don_Mayhem January 27, 2010

by CalvinFL December 14, 2022

by v0n4n August 28, 2025

by number1allindan July 30, 2023
