A Millie is a fabulous friend, also a friend for life. She can often be found clutching a mug of hot chocolate and her phone, usually in front of a mirror. Although she is the founder of the bum smell she has rubbish spelling and therefore speaks mostly in emoji. Warning! If you pound her muffin, you will experience the wrath of this wild female...
"That girls such a Millie - better not pound her muffins..."💁
by inciting_incident January 27, 2015
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Millie's are the most genuine people on earth. They always have the prettiest eyes that you could get lost in, soft skin that glows in the sunlight and the sweetest smile you have ever seen. Millie's tend to be shy at first but after a while she settles in and wants to be everyone's friend. They will call themselves ugly or not pretty but in actual fact they are STUNNING! If your lucky enough to have a Millie love her with all your heart and never let go of her she's a good person, trust me.
Friend: "who's this?"

You: "Millie, she is my best friend"
Friend: "wow your very lucky!"
by hi.my.name.is.... October 6, 2020
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Derogatory term used to offend a millennial.
This country is getting out of hand, every thing we say or do offends a damn millie!
by Badkittykkr October 31, 2019
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Very gorgeous yet insecure girl. Can get any guy she wants without trying. Doesn’t settle for anyone who doesn’t treat her like she’s a princess. Your lucky if you have a Millie in your life, enjoy every moment with her and don’t take advantage.
“Wow he went on a date with Millie! How lucky.”
by Fpg@123 December 16, 2017
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biggest mother fucking hoe in the world and always cheats on her boyfriend(s) . do not trust millie she pops her back and brakes it. do not trust millie davis.
nobody:

millie: “ah i broke my back (again)”
by jake the freak June 8, 2019
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Millie is the type of guy who talks a good game of eating chilli, but secretly can't even finish one bowl.
Friend 1: Did you see millie at the Carnival?

Friend 2: Yeah he entered the chilli eating contest and couldn't even finish one bowl.

Friend 1: Hahaha what a no belly sap.
by Definitely not Terry July 19, 2019
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Millie is a little bitch and she thinks she’s wellard and try’s fighting everyone
Millie is a bitch
by Whodefukisu June 11, 2020
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