mother-in-sin

term for a live-in lover's mother.

My mother-in-sin is much nicer than my ex-mother-in-law.

by Johnny J. Rockability January 4, 2011

mother buzzer

Swearword or insult for a wasp.

(When a wasp bothers you while you're having dinner in your garden:)
"Fuck off, mother buzzer!"

by ChoclitBunny November 26, 2013

mothercunting whore

Someone that is such a whore that one of the most offensive words in the english language is used empathized by the word mother.

(ex)- Julie fucked the whole football team and went back for seconds. What a mothercunting whore!

(ex2) That mothercunting whore sucked off my best friend.

by MarximusL January 25, 2014

Motherfuckingtwoballedbitchwithapingpongpussyandarubberhosedick

The only word you would use if you were that angry

Mother-Fucking-Titty Sucking-Two balled Bitch-With a Ping Pong pussy-And a rubber hosed dick.

Guy 1: "HA HA HA HA, YOU HAVE NO FRIENDS, JUST KILL YOURSELF!"
Guy 2: (Screams) "YOU Motherfuckingtwoballedbitchwithapingpongpussyandarubberhosedick"

by VISH_AZ November 20, 2015

Motherfuckery

A new type of magic where someone does something stupid or mean all the time

That guy is using Motherfuckery again

by Crazyness49 January 11, 2017

motherfustering

Having sex using all holes available, to the point of Exhaustion

I am tired and wrecked, but I am not dead. I would so Motherfuster the f*** out of each and every one of your holes.

Motherfustering using all of one's holes.

by Leafos March 17, 2017

motherclit

where u want ur bf to eat out

jack:have any advice for when i eat u out
ryry: dont leave the motherclit!

by 123salmon July 21, 2017