Definitions by boo bitch 21

mtnmm 

mtnmm means “my man that’s not my man” it came from a tiktok trend. it is know used to say you like someone but y’all aren’t dating, yet.

friend: do you still like josh?
you: yea, at this point he’s my mtnmm

mtnmm by boo bitch 21 April 23, 2023