Urbictionaried 

To take words that your friends make up and up it up on urban dictionary out of boredom.

Oh...Howard just got urbictionaried!

Urbictionaried by Jasper1990sdba June 18, 2011

undictionaried 

a word that is used yet is not regularly printed in a standard dictionary

Although "ain't" has been undictionaried, only recently has this word been included in the dictionary

undictionaried by deroest November 14, 2007