mayn't

Rarely used contraction of the phrase "may not".

Student: Teacher, may I go to the bathroom.
Teacher: No, you mayn't. You should've went before the class started.

by some punk kid May 1, 2005

Mayn't

May Not (contraction form) (previously undiscovered)

You mayn't use my wallet to pay for that crap.

by Danny Durden June 29, 2023

Mayn't

A word used as a replacement to ( May not )

That mayn't be true

by SunlightBlade November 22, 2020

Mayn't

A mix of the may and not.

" May we come in?"
"... No..No you "mayn't"
Featured in the show Sam and Cat.

by I ADORE DUCKS August 26, 2020

Mayn't

Negative form of may+not

I mayn't go out with yo.

by OuBiGiFrediCruga. April 24, 2019