urban phonebook 

When people's friends are defined on UD. Look up any name to see Urban Phonebook.

guy 1: I found my man jddnmd on UD the other day..creepy
guy 2: you mean the urban phonebook

urban phonebook by alifig October 3, 2011

Urban Phone Book 

noun; What people think Urban Dictionary is. They always put entries for names and not for other things, which is where the "phone book" thing comes to play.

Alice: Gawd, I hate all of these people thinking Urban Dictionary is somehow Urban Phone book.

Urban Phone Book by Kugeln March 18, 2019