Mustn’t Milk Myself March 

Just like in No Nut November, during March, you mustn’t milk yourself for the entire month of March.

Benjamin Dover “Hey, are you participating in Mustn’t Milk Myself March?

Mustn’t Milk Myself March by Brady31 November 7, 2018

mustn't touchit 

genitalia; male or female

You should name your headboard Chris brown because your wall had the shit beat out of it last night, how's your mustn't touchit this morning?

mustn't touchit by nocockblockers July 20, 2009

mustn't've 

Contraction of the words must, not, and have. An extension of the common contraction, mustn't. This is an extreme contraction. Please use it with caution.

I mustn't've have taken my car keys with me because I don't have my car keys with me.

mustn't've by BryceM August 11, 2006

Mustn't Masturbate Merry Christmas 

"Mustn't Masturbate Merry Christmas" is a challenge given to mostly men that revolves around that masturbating for all of Christmas Eve and Christmas day. Those who fail are forced to become elves, working in Santa's workshop for the rest of their lives. Those who pass, however, are given 30 minutes to do what they'd like with Mrs Claus, Santa's wife. Most, however, tend to pork her.

Person 1: Why have you been so down recently?
Person 2: I don't know. I just can't find the holiday spirit.
Person 1: Just participate in "Mustn't Masturbate Merry Christmas"!
Person 2: What's that?
Person 1: *shows them Urban Dictionary definition*
Person 2: Don't ever talk to me again.
Person 1: *commits suicide*

Mustn't Masturbate Merry Christmas by Your Materfamilias December 23, 2018

Mustn’t Makeup May 

A challenge akin to “No Nut November” except that in the challenge, girls must abstain from using any from of makeup for the entire month of May.

Abby:“Why aren’t you wearing makeup Jess?”
Jess:“Don’t you know! It’s Mustn’t Makeup May Abby!

Mustn’t Makeup May by 69Ligma69 November 7, 2020

Mustn't Masturbate March 

A sequel of sorts to the popular no nutting challenge "No Nut November". Often abbreviated "MMM"

"At the end of Mustn't Masturbate March, my balls are so heavy I can demolish buildings with them

Mustn't Masturbate March by StarSoupMan March 28, 2024

Musn't 

"Must Not"

Abbreviation often confused with the correct term: "Mustn't"

Confusion arises because of the pronounciation and feeling the "t" should be left out.

Colin musn't have been taught English in primary school.

OR

Nelson musn't lock himself outside of his house.

Musn't by RockyRocky September 7, 2007