Definitions by Numine

Mennu 

This is a slang typically used in place of shut up.

Joe mennu the fuck up

Mennu by Numine December 1, 2020

mennu 

This is slang typically used to tell someone to shut up especially when they're being annoying.

Joe: You look like you need food
John: mennu!

mennu by Numine December 1, 2020