Mweh 

Clear out that one person doesn’t really feel like having a drink with one other.

Jules: “Wanna grab a drink?”
Amber: “Mweh.”

Mweh by Bambi99 August 25, 2018

Mwehehehe! 

The mating call of Underswap

"Mwehehehe!"

Mwehehehe! by MyNameIsConnorAndILikeDogs January 31, 2019

Mwehehehehhehehe

A cross between
Meh,mwhahahahaha,and hehehehe
So in theory meaning a careless sort of maniacal laugh.
Computer speak.

Person One:So your leaving me here to die??
person Two:Yeeah i guess. mwehehehehehehehe

Mwehehehehhehehe by Gabrielle April 4, 2005