Urban Dictionary was created in 1998.

Urban dictionary is not a dictionary that should be used in a work or school environment. Urban dictionary is a dictionary for terms that are used in everyday slang or jargon. It is a more humorous than it is a serious dictionary.

The website Urban Dictionary set up in 1999 by Aaron Peckha.

According to Urban Dictionary, "The Cold One" refers to vampires or the undead. An alternative definition by Urban Dictionary for "The Cold One" is beer.

WikiAnswers; it has a broader range, with 6000 topics, while Urban Dictionary is more like a dictionary that only focuses on one subject - that of urban slang.