Short for, who knows what. Excessively loud. Mimi's are not very opened minded and can sometimes be insecure. They often act as if they have many friends and make their life seem like something it's not. They can be very sweet but also judgemental. No guy really wants a Mimi because they don't really know how to act around guys. The attention is to much, and their ego grows.
Omg! Jake is coming, don't be a Mimi!
by Mclovingyoubbg March 15, 2017
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Mimi is that one weird girl. Obsessed with the current memes, she also has an ironic love for old memes like dabbing and Shrek. Always making jokes that make others uncomfortable. Is definitely an emo, only listens to My Chemical Romance and 2000's Pop.

Favourite celebrity is either Miley Cyrus or Britney Spears. Probably wears glasses, or should. Has bright blue eyes and blonde hair (which she dyes black), either very short or very tall.
Guy 1: Did you hear someone was playing My Chemical Romance in the canteen today?
Guy 2: It must have been Mimi, she's the only one who would play that kind of crap.
by TurtleMcTurtle April 28, 2018
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A backstabbing horrible person who thinks they are so much better than anyone else. Someone who thinks they are the best of the best when really not one person likes them.
She is such Mimi.
by averykasper@gmail.com February 24, 2017
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Thinks she’s really smart but is actually dumb. She’s really fake but kinda nice. She usually goes horse riding. She has really big boobs and every guy wants to date her.
Person 1: Woah who’s that girl over there!
Person 2: The girl with the really big boobs is mimi!
Person 3: She seems fake
by Avocadobum February 10, 2019
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Its a she. She is a grandma. She is ugly and not kind.
by Brantique May 24, 2018
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A funny teenage girl and brilliant but can be weird sometimes. Always impressed others by her personality. Mimie is also a beautiful angel living in her own world. She can hide her sadness deeply without anyone else knowing. She is the one that you can trust believe me. And she is a low-key cool girl and her style is really lit.
by Nine live December 26, 2017
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