The age between nineteen and twenty-one. Twenteen is used when the birthday boy/ birthday girl is not excited about no longer being a teenager and feel like if they mask the age behind a false definition, the pain of getting old will lessen.
Much Younger Best Friend: "Hey Jordan, how old are you turning today?"
The Birthday Boy: "I'm only twenteen! Just a youngin'! I'm not ready to be old yet."
The Birthday Boy: "I'm only twenteen! Just a youngin'! I'm not ready to be old yet."
by Gordon Tusker-Deepfreeze July 12, 2008