the definition of sobriety. The CatBox is a Gang that has based it's morals on the sober way of living. Located all over the world, the CatBox stands strong with OVER 9000 members! Common CatBox activities include killing babies, dancing on people, and Penis's in the Ear. enough said.
by TyForce December 24, 2008

Combination of "empty nest syndrome" and "catbox," describing the empty feeling when, for whatever reason, you no longer have a cat (and the accompanying turds in the catbox) to take care of.
by Ae5Ea8 March 29, 2015
