Mimi

mimi noun /ˈmi mi/
1. A younger sibling, especially a little brother, who is endearingly annoying
2. (informal, family slang) Someone who delights in teasing, pestering, or generally getting on your nerves

Comes from the mixture of middle and last name : e.g Millicent Mildred (Mi-Mi)

Example: “Stop messing with my stuff, you total mimi!”

by Mimi72 August 28, 2025