Monogamize 

Verb- to end the relationship in order to serve the needs of a monogamous relationship.

Especially in the case of a new monogamous relationship.

Commonly perpetrated by fake poly people.

We used to be best friends, but his girlfriend doesn't let him talk to me. I can't believe I just got monogamized by someone I've known for 5 years!

Monogamize by Yahgirlnahgirl February 9, 2018

Cereal Monogamist 

A person who eats the same cereal every day through the course of several boxes.

Phil: "Hey Kara, what do you want for breakfast?"
Kara: "I've been into those bran flakes for the last several weeks and I see no need to change."

That's a cereal monogamist.

Cereal Monogamist by MzBranFlake February 8, 2012

Serial Monogamist 

Someone who jumps from one relationship immediately into another one.

Serial monogamists can not stand to be alone and often suffer from vast commitment and insecurity issues.

Because they jump into relationships immediately after the previous one has ended, serial monogamists typically don't take the time to reflect on their behavior or why their previous relationships failed; thus, they end up making the same relationship mistakes over and over again.

Person 1: Damn, Dustin already has a new girlfriend?! It's only been two weeks since he broke up with his fiance! I think he's a sociopath.

Person 2: No, he's a serial monogamist...

Serial Monogamist by Goody2Shuze March 6, 2016

serial monogamist 

function: noun

one who spends as little time as possible being single, moving from the end of one relationship to the beginning of a new relationship as quickly as possible

although the relationships in which many serial monogamists find themselves are also often short lived, the defining aspect of serial monogamy is the desire and ability to enter new relationships very quickly, thus abbreviating any period of single life during which the serial monogamist may begin to ask questions of an existential nature

Percy: Wow, I can't believe Gwyvron is already dating someone else! I thought he just broke up with Lorelai at last week's LARP after she accidentally cut off his phonytail...

Stewart: Yeah, that's the way it's always been. When he broke up with me, he started dating that hussy Lorelai within three days. He pursued her as if he were Cerberus hunting a soul fleeing across the Euphrates. I'll tell you, that Gwyvron is quite the serial monogamist.

serial monogamist by Elliott October 25, 2005

monogamish

A relationship that is mostly monogamous but occasionally exceptions are made for sexual play.

My boyfriend and I are monogamish, so it's cool if you want to make out with me.

monogamish by sluttychica August 17, 2010

Monogamish

Any man, woman or couple that engages in limited, casual hook-ups with or without their significant other.

"My wife and I lead a, Monogamish lifestyle.

Monogamish by VG6373 October 12, 2011

Serial Monogamist 

A person who can't stand not being with someone and so goes headlong from one relationship to another without any break in between.

Look at her over there, only broke up with her ex last week and is already going out with someone else. She is such a serial monogamist.

Serial Monogamist by Golden3232 January 3, 2010