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Urban Dictionary is a crowdsourced online dictionary of slang words and phrases that was founded in 1999 as a parody of Dictionary.com by then-college freshman Aaron Peckham. At the start of 2014, the dictionary featured over seven million definitions, while 2,000 new daily entries were being added. In November 2014, the Advertise page of the website states that, on a monthly basis, Urban Dictionary averages 72 million impressions and 18 million unique readers. Anyone with either a Facebook or Gmail account can make a submission to the dictionary, and all entries are reviewed and rated by volunteer editors and site visitors.