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A word or definition that someone just made up to put on Urban Dictionary. Nobody uses this word in real life, including the author. Also known as bullshit.
Come on man, nobody uses the term β€œAir Canada” to refer to double penetration. That’s an urban dictionaryism.
by KidsBeLikeWTF September 04, 2018
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Apr 21 Word of the Day
I've been jabbed
by Francesco II March 20, 2021
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2
The belief in the Urban Dictionary instead of the Bible or any other such books.
Person1: I'm Hindu

Person2: Oh yeah, well I believe in Urbandictionaryism
by AVietnamese December 10, 2009
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3
When you are bored enough to look this up on the internet or the Urban Dictionary.
"My gosh! I looked up Urban Dictionaryism and its a thing!" said Millie
by Chocolateism Charzy August 27, 2017
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