motherbutt 

The disproportionally large rear of a woman who has had several children.

Better watch what you eat or you're gonna get that motherbutt.

motherbutt by Jeremy Ko January 4, 2012

Mothercunter 

For those of you who think the word 'Motherfucker' is not quite rude enough, 'Mothercunter' gives a whole new meaning to rude. It's like swear-word porn

What a mothercunter!

Mothercunter by wwwwwwwooooooooooowwwwwwwwwwww August 5, 2012

motherbitch

1) An alternate to 'motherfucker' to the impersonal; more accurately directed at inanimate objects and situations, whereas motherfucker is generally reserved for person-to-person communications.
2) A dire situation or circumstance.
3) Short for 'the mother of all bitches'.

God that test was a MOTHER-BITCH!

Mother-bitch! It's raining AGAIN.

Hand me the bat, Johnny. I'm going to teach that motherbitch a lesson he'll never forget.

motherbitch by Blaine April 3, 2003

mothercunt

A term often used by Trinidadians when they are using obscene language and wants to disrespect your mother.

"Yuh F**king mothercunt".

mothercunt by Ranking_Boss May 4, 2018

mothercunter 

A real fuckhead.
A harsh term of abuse.
Akin with being called a motherfucker, only with that little bit of extra 'pep'.

I hate that bloke; he's a real mothercunter.

mothercunter by Sack Tony October 11, 2002

motorbutt

To Motorboat the butt-cheeks, not the breasts.

That girl has such a fat ass, I just want to Motorbutt her!

motorbutt by Zach and Claire February 24, 2008

Motherbitch

Cross between mother fucker and son of a bitch

I just stepped in dog shit... Motherbitch!!

Motherbitch by Tra-b-cakes July 5, 2015