by BlueEyedBehemoth July 31, 2009

someone who is either 20 or in their early twenties but might as well be considered a teenager due to their immaturity and/or lack of life skills/experiences.
Heather: Joe asked me out!
Michelle: that guy from best buy? how old is he?
Heather: 20...only 7 yrs younger..
Michelle: eww he is twentyteen! you might as well add a teen to that age he is so young..unless he is sexy dont bother!
Michelle: that guy from best buy? how old is he?
Heather: 20...only 7 yrs younger..
Michelle: eww he is twentyteen! you might as well add a teen to that age he is so young..unless he is sexy dont bother!
by madameskittle May 16, 2012

When we had the 80's and the 90's, they were easy decades to reference. This new decade is a little harder. So, being the teen years, it's the twentyteens.
by CoachHeidi January 02, 2011

1) One year older than nineteen.
2) Kiran, when she couldn't bear the thought of losing her "teenager" status.
2) Kiran, when she couldn't bear the thought of losing her "teenager" status.
by Reuben Mann February 23, 2009
