* BrainBleach: Most of their articles will probably make you want a gallon or five.
* CrossesTheLineTwice: a lot of the articles can border on this.
* DeaderThanDisco: Is pretty much this nowadays.
* HoYay: Between the admins. Lots of it.
* MemeticMutation: The French version has ''La Nana aux Cheveux Bleus'' (The Blue-Haired Girl), who seems to be sitting on the fence between MemeticMolester and MemeticSexGod.
* MisaimedFandom: Like Urban Dictionary, the site is not an actual encyclopedia or honest source of info, intending humor and satire. 99% of the 'information' is a lie, exaggeration, or obvious parody. However, some people still trust everything the site says even though the admins make obvious it's not really supposed to be taken so seriously.
** [[http://uncyclopedia.wikia.com/wiki/Uncyclopedia:In-Jokes Complete List Of Uncyclopedia In-Jokes.]] It's one of the few factual pages on the site.
** Within the spanish version, [[http://inciclopedia.wikia.com/Tio1.jpg Tio1.jpg]], and MiguelDeCervantes instead of OscarWilde.
* NightmareFuel: Some of the articles and jokes are ''grossly'' inappropriate.
* {{Squick}}: Some of their articles have this.
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