Momstersin 

A female, usually the eldest daughter of her family who acts as a responsible guardian of her younger relatives in the form of a mom, sister, and cousin.

She does so much for her little sister and cousin; she’s a great Momstersin.

Momstersin by pseudonym1738 November 27, 2021

Monstering 

The art of abusing people. Of ambushing them with questions, following them with questions, hounding them with questions, driving them to their fucking graves with questions. It’s sort of being like a photographer, except no ones' killed any royalty doing it…yet.

"Those NAMBLA rights assholes are in town today, it's time for some Monstering. "

Monstering by tekrub March 13, 2010

Maestersin 

Best Type of guy a woman could ask for. possible Big dick game. The type of a guy a girl would consider the love of her life. The reason her heart pounds. This guy could flash you a smile and either you melting like a popsicle of a hot day or your panties wet as heck.

The way he makes me feel, he deserves the adjective of MaesterSin.

Maestersin by ShadowTonks December 4, 2019

Monstermind 

Noun

A terrifying, dangerous, wild, bizarre, unwhimsical, and extremely cruel manipulative genius.

Verb
to monstermind (third-person singular simple present monsterminds, present participle monsterminding, simple past and past participle monsterminded) To harass and To act in the role of a Monstermind.

Gang banging, Race hating, Drug dealing, and pimping someone else's girlfriend or wife is definitely Monsterminding

Monstermind by MikeKal July 19, 2009

Momsterbong 

when your mom takes the biggest hit out of a bong

wow my parental unit to a momsterbong hit!

Momsterbong by prettybritttiieee October 12, 2009

Mosterting

The gut wrenching process of keeping a diarrhea shart confined to ones asshole. Usually accompanies speeding to the nearest exit ramp, trailer home or porta-jon.

Dude, I was mosterting so bad yesterday I got 2 redlight tickets on the way home!

Mosterting by SmackdaddyRuss August 11, 2017

Cookie Monstering 

The moment when your nipples are pointing in two different directions imitating Cookie Monster's googly eyes.

Am I cookie monstering in this bikini top?

Cookie Monstering by __Kris__ June 19, 2022