Top definition
"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.
by RockyRocky August 30, 2007
Get the mug
Get a Musn't mug for your friend Riley.
Apr 22 Word of the Day
When you eat dirt for the first time and leave your family to build a shack in the woods
Bro since I got dirtpilled on Tuesday I have made sooo many worm friends and made them soo many little houses to get married in. Me? Lonely? No you’re the lonely one u lawn owning freak
via giphy
by ecogoth December 30, 2020
Get the merch
Get the dirtpilled neck gaiter and mug.
2
Must not. Emphatically no. Have to not do it. Assuredly huh uh.
When it was a moment of choice she knew she musnt choose wrongly.
by dointhedeal50 January 26, 2009
Get the mug
Get a musnt mug for your buddy Abdul.

Activity