1 definition by Bad Ass Pope

(adj.) A word used to describe someone that is not, but acts, or looks like they are twelve years old.
The more twen a person is, the more they look, or act, like an actual twelve year old.
(When viewing the film "Die Hard", the scene where you first see John McClane's chauffeur.)

Me: Haha, that guy looks about twelve!
Danny: Yeah, he is SO twen!

...

James: What's "twen"?
by Bad Ass Pope January 24, 2008
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