1 definition by testify009

Top Definition
This is an overgrown teeny-bopper. This person is college-age(18-24), but still likes many of the things young teens like, such as the Jonas Brothers, Disney Channel, Miley Cyrus, etc.
My sister is such a twenty-bopper. She's 21 years old and went to the midnight showing of Hannah Montana.
by testify009 April 26, 2009

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