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A fetish in which the person involved is attracted to and/or turned on by the fetishes or sexual acts committed to the website Urbandictionary.com. Usually used in an offensive or derogatory manor.
'Hey Dave did you hear that Dan is into golden showers and colorado turnarounds?'

'No, and what the hell are those things anyway?'

'They are sex acts that he found out about on Urban Dictionary'

'Oh, then he must have the Urban Dictionary Fetish!'
'I hate those damn Urban Dictionary Fetish freaks and their damn angry dragons!!!
by GasMaskMan June 02, 2011