1 definition by ULTRA TWIXTER!!!

Top Definition
Not a child or an adult. Usually somebody over the age of 20 that still displays all the immature characteristics of an adolescent either by choice or not. This sometimes being a positive and negative depending on one's personal beliefs of society and current culture.

Sources:

www.time.com
/time/archive/preview/
0,10987,1018089,00.html

www.sensibleerection.com
/entry.php/44684
d00d yur such a twixter u r 25 and still unemployed!!!1
by ULTRA TWIXTER!!! February 03, 2005

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