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A girl who becomes consumed by the person she’s dating and never talks to her friends. Is always too busy to do anything with anyone besides the person she is dating.
That girl hasn’t talked to us since their first date. She is such a bye-girl.
by cooolmanok December 18, 2018
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when someone gets smart, or say something some one doesn't like, they say bye girl to get smart with them back.
Girl 1: You're boyfriend is like so ugly and mean, you should break up with him.

Girl 2: Bye girl, you know you want him/
by chicachickgirll May 15, 2010
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