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

On a really bad day you only have one thing to say and if not then just say happy monday mother fuckers.
by slamdee July 15, 2017

Any asshole who you don't want fucking any of your female relatives, such as you mother, sister, brother, pets, steps, uncle, aunt, cousins, nephew, niece, friends, the local barber, the gas station attendant, your investment banker, the ATM at your bank, etc. etc.
My cousin Boo Boo from North Dakota told me that she was so upset that after her father "boinked" her mom, he came after her, and then she went after him with a baseball bat. "What a mother fucker!" she said, and something else I can't say.
by exurbanwhitetrash May 26, 2022

by Christian_mws November 18, 2021

by sinkking December 22, 2024

Kyle shepherd is a mother fucker. His favorite women are ones that have kids or he knows he can get knocked up.
by Motherfuckerswife January 25, 2019

When your fucking someones mom and they scream fuck me better little dick dan or im gonna stick my fat ass horse cock inside of you and ejaculate on ur dads hairy ass hole
by The "Mother"- Fucker March 18, 2020
