Top definition
Millie-lei is definition of a girl who is selfish and doesn't care about her friends. She thinks she knows everything but she doesn't. She always has to be on top. Millie-lei is a type of person who gets jealous easily. In conclusion Millie-lei is a bad person.
Person- "I got I got B+ on my test"

Millie-lei- "Well Ha i got A+ on my" (Bitchey voice)

Person- "Owwww that hurt"

Millie-lei- "Cool, get over it"
by American girls 03 September 20, 2017
Get the mug
Get a millie-lei mug for your father Bob.