Top Definition
To behave or speak in a manor that resembles that of a 12 year old girl.
"Omg! you ate that?? GRODY!!!" -tweenish!!!!
by Alastigirl January 02, 2012

Free Daily Email

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

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×