Top Definition
1) one who poses convincingly as an adult, until things are not going his/her way, after which underlying immaturity bubbles up. 2) A fair-weathered adult.
Damn, I was duped again! We dated for three years, and he seemed so mature. Then we broke up; turns out, he was a fake adult!
by Playful Pen January 22, 2011
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.