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A sexual gesture in which a woman bites the head of a man's dick off after giving him the Gluck Gluck 9000
Person1: Why is Connor in the ER?
Person2: His gf gave him The Millie
by Mcnugs9k February 16, 2021
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Jul 29 Word of the Day
Someone who used to be a potential girlfriend/boyfriend, but no longer is.
Tim: Zack, is that your exgirlfriend?
Zack: No, she's an expotential. We never actually dated...
by brownsuite September 24, 2011
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