A challenge where someone tries to create a new word or phrase that is witty and has not been defined on urban dictionary. The challenger succeeds by high approval by the public, obviously.

A challenge created by me, in which you and another person each go on UD and press the random definition button on Urbandictionary.com, you then press any blue highlighted definition, and the chain goes on, definition after definition. The trick however, is not to land on a dirty/sexual/drug-related (depends how you play it) definition, the last one to land on a dirty definition wins. This game can also be played in a group.