The biggest pile of pish ever. These sets of words are used commonly as derogatory terms. Urban meaning: rundown and dictionary meaning: A book which holds the definition of over 100 words.
Urban dictionary = rundown book wich holds the definition of over 100 words. The website itself is only used once every five days by the average person according to my world wide research on people with technology. on that basis It's pish. Fleeto.
"Have you heard of that urban dictionary?" "Oh no don't remind me of that pish!" Fleeto. 2013-14 (I'll probably be dead when you read this)
An online "resource" used freely to give random meanings to nonsensical words. An online reference site with no merit or credibility whatsoever. Anyone can say anything on urban dictionary just for the fun of being published.
If you can't find a word in a real dictionary you can bet you can either find it with ten different meanings or publish your own on urban dictionary.
Do you think fshegka is a real word? No? Well let's make it one on urban dictionary. What gives us the authority or skill set to publish a definition of a word? Nothing, that's the beauty of the Internet. If you're looking for credible sources try Miriam-Webster or Oxford dictionary.