Definitions by jcgreengw

20-YO 

A slang term in reference to the calendar year 2011. Due to "YO" being the call on a Craps table for a roll of 11.

I want to wish all my friends and family a Happy 20-YO.

Graduating next spring means I will be a member of the class of 20-YO.

20-YO by jcgreengw December 30, 2010