Any mention of the Reavers from Firefly invariably leads to the description of them raping you to death, eating your flesh and sewing your skin into their clothing, as well as the mention that if you're lucky it'll be ...In That Order.
Any mention of anything remotely sexy from Firefly will lead to someone going to their bunk...
Every separate page in the Final Fantasy series is described as "The (number) entry in the (ridiculous adjective depicting massive body harm)ly popular Final Fantasy series". This gets lampshaded in the page for Final Fantasy XI, which is described as "thesaurus-exhaustingly popular".
There seem to be a lot of crunches, as well. One has to wonder how you make your toe do exercise crunches.
Haruhi Suzumiya: "We've entered an endless recursion of time... Kyon-kun, denwa..." and it keeps going for a thousand more lines.
On several pages, it opens with some variation of "Describe Topic Here," in such a way that demonstrates the article in question. For example, on the Team Fortress 2 page, it says "Pootiscription here," referencing Heavy Weapon's Guy's memetic quote "Pootispenser here" (Put dispenser here).
Questioning Zordon's rules, especially with a Jerkass course of action, will usually result in a variation of "...and that is why you're not a Power Ranger" on the Power RangersHeadscratchers page.
Almost every entry in Wearing a Flag on Your Head will make some reference to AMERICA somehow. Even if it's discussing something IN BRAZIL, or AUSTRALIA, or SOME OTHER COUNTRY.
On The Princess and the Frog page 'in other words, perfect Disney tradition!' seems to be one since it's been potholed to this very page.
Many of the trope examples in The Lion King are augmented with quotes from the movie; you can't read any section of the trope page without seeing at least one. Apparently, the dialogue is just that good.
Any trope related to Those Wacky Nazis usually begins with telling us that, with few exceptions, most people consider the Nazis to have been very, very bad people.
Whenever anyone mentions Hedynote (That's "Hedley!") Lamarr from Blazing Saddles it must always followed up with 'That's "Hedley!"', a running gag borrowed from the movie itself. Except on the actual Hedy Lamarr's page, where it really is Hedy.
The Dragon Age pages joking about the blood motifs.
Superheroes from The DCU, particularly members of the Justice League of America, will get introductions to their pages listing off various titles the hero has, followed by "The (whatever superhero archetype that hero belongs to)".
Small-caps, or just a different format in general, is mandatory whenever talking about something happening IN SPACE!. Same with the exclamation mark.
Back when Headscratchers was called "It Just Bugs Me", there was a page on "school". Someone asked why people don't like school, and got a bunch of responses. Naturally someone responded with "Learn to Box", prompting a "You get expelled for that" response.
Due to Name's the Same and the amount of trivia most editors know here, all over the wiki there's instances where someone's name is followed with a (no, not that one) potholed to the work from which the character of the same name originates.
The character index for Warframe describes the titular 'frames' introductions to the game based on their themes. (For example, Mesa described as having "moseyed into town", Gara "crystalizing," Ember "igniting," etc.)