Definitions by Robert and Lisa

Urban Addictionary 

A person whose compulsion is to navigate to the urban dictionary site at every opportunity.

John is such an urban addictionary that he hasn't seen a real dictionary in years.

Urban Addictionary by Robert and Lisa February 20, 2009

Addictionary 

A person whose compulsion is to run to a dictionary at every opportunity.

John is such an addictionary that he never gets past the headlines.

Addictionary by Robert and Lisa February 20, 2009