Top Definition
A twenty-something who still acts like a teenager: still lives at home, parties every weekend, drinks energy drinks mixed with alcohol (see: FourLoko), thinks excessively about themselves.

Also see: twenteen
The cast members of the Jersey Shore are total twenteenagers. I just want to punch them all in their collective faces.
by Cap'n Haddock December 17, 2010

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.