History Main / IveHeardOfThatWhatIsIt

-->'''Ash:''' Awesome, that sounds so cool. I wish I knew what that meant!"\\

* In one episode of ''Anime/DiGiCharatNyo!'', the town is out of natto, so Gramps suggests going to the next town over to get some. Gran immediately gets spooked, but then asks, "Where is the next town, anyway?"

* In one episode of ''Anime/DiGiCharat Nyo'', the town is out of natto, so Gramps suggests going to the next town over to get some. Gran immediately gets spooked, but then asks, "Where is the next town, anyway?"

** "Opposite Day" is the TropeNamer, though it's actually justified, as the titular holiday doesn't actually exist; Squidward just made it up to get [=SpongeBob=] out of his hair.

-->-- ''WesternAnimation/TheSimpsons'', [[Recap/TheSimpsonsS6E5SideshowBobRoberts "Sideshow Bob Roberts"]]

* The first episode of ''Anime/SailorMoon'' had this exchange.
-->'''Naru:''' Did you hear? Sailor V stopped another robbery!\\

[[folder:Asian Animation]]
* ''Animation/BoBoiBoy'': In "Physical Education", when Probe suggests to Adu Du that they should try to defeat [=BoBoiBoy=] in a football[[note]]the kind better known as "soccer" to Americans, just to make that distinction clear[[/note]] match, Adu Du grins and laughs evilly. Then he asks what is a football match, causing Probe to FaceFault.
[[/folder]]

* In the ''Franchise/MarvelCinematicUniverse'' CrackFic, [[https://archiveofourown.org/works/16690054 "How Long Does it Take to Cook a Turkey in the Microwave?"]] Peter has to ask the titular question to every Avenger as a prank. When he gets to Thor, the thunder god excitedly declares that of ''course'' it's possible to cook a turkey in the microwave, before asking Peter what a Turkey is.

* [[spoiler:Tobey Maguire's Peter Parker]] has this reaction in ''Film/SpiderManNoWayHome'' when Tom Holland's Peter Parker boasts that he's in the Avengers.
-->'''[[spoiler:Maguire!Peter]]:''' The Avengers?\\

'''[[spoiler:Maguire!Peter]]:''' That's great!\\

'''[[spoiler:Maguire!Peter]]:''' What ''is'' that?\\
'''Peter:''' ''(Non verbal FlatWhat face)''

-->'''Barry:''' Have you ever heard of the butterfly effect?
-->'''Shelby:''' I've heard of it. But can you explain it in case someone else didn't?
-->'''Naldo:''' I know what it is.
-->'''Cyd:''' Me too.
-->'''Shelby:''' Just let him explain.

--->'''Leslie:''' Lindsay Carlyle Shay.
--->'''Andy:''' (agrees disgustedly, then...) "Who?"

-->'''Blackadder''': Sir Talbot represented the constituency of Dunny-on-the-Wold, and, by an extraordinary stroke of luck, it is a rotten borough.
-->'''George''': ''(enthusiastically)'' Really? ''Is'' it? Well! Well, lucky, lucky us! Lucky, lucky, luck, luck, cluck, ''claaark''-cluck-cluck-cluck...
-->'''Blackadder''': ''([[DeadpanSnarker utterly expressionless]])'' You don't know what a rotten borough is, do you, sir?
-->'''George''': No.
-->'''Blackadder''': So what was the chicken impression in aid of?
-->'''George''': I didn't want to hurt your feelings. So, what is a rubber button?
* ''Series/BlakesSeven''. A Federation general is discussing with his aide what the next target in the [[TheWarOfEarthlyAggression Terran Federation's reconquest of their former empire]] will be.
-->'''Quute:''' Wanta?
-->'''General:''' That's our next assignment. Something to look forward to, eh?
-->'''Quute:''' Yes, sir. ''[with patent insincerity]'' I'm looking forward to that no end. ''[beat]'' Where exactly ''is'' Wanta, sir?

-->'''Joey:''' Whoa-whoa! No-no-no-no-no, nothing is going "up"! Okay? "Up" - "up" is not an option! What's a urethra?\\
''(Monica whispers an explanation that makes Joey's eyes go very wide)''\\
'''Joey:''' (''to the Doctor)'' ARE YOU CRAZY?!

--->'''Pip and Pop''': We love Spanish! B, b, but, Bear? What's Spanish?

--->'''Tutter''': Ya'ay, coupons! ... Bear, what's a coupon?

[[folder:Theater]]

--> '''Tedd:''' ''[jumping]'' '''''Catnip!!!!'''''\\

* The [[http://dndshallneverdie.blogspot.com/2007/11/from-dread-gazebo-part-of-blackhammers.html Tale of the Dread Gazebo]] is based around this Trope: a TabletopGame/DungeonsAndDragons player who has no idea what a gazebo is but refuses to admit it, runs with the assumption it's some kind of mythical monster and tries to "slay" the gazebo.

* Commonly used by Apple of ''WebAnimation/InanimateInsanity'', since she's "definitionally challenged".

* Dropped by Coiny in ''[[WebAnimation/BattleForDreamIsland IDFB]]'':
-->'''Coiny:''' ''Wow''! That is so cool; my absolute favorite thing in the ''whole'' world! Also, what's a Wall Teleporter?

* In "Race to the Fairy Finish!" from ''WesternAnimation/ButterbeansCafe'', Ms. Marmalady has Spork and Spatch spy on the Bean Team and discover that they're making a ''croquembouche'' (a type of French dessert, which is basically a tower of pastry puffs.) They report back to Ms. Marmalady...
-->'''Ms. Marmalady''': (''brightly'') Oh, of course, a ''croquembouche''. (''flatly'') What is that?

--> '''Zim:''' Do you realize what this ''means''?!\\

--->'''Pooh''':... What... exactly is a stakeout, Darby?

* Invoked in the ''WesternAnimation/RickAndMorty'' episode [[Recap/RickAndMortyS2E1ARickleInTime "A Rickle in Time"]]: Rick calls Jerry "the Redgren Grumbholdt of pretending he knows what's going on". When Morty and summer laugh, Rick explains that was a name he just made up, [[SecretTestOfCharacter he just wanted to know if they were sycophantic enough to laugh anyway]].

--> '''Otto:''' Now we got a quad team.
--> '''Sam:''' Great. ''[{{beat}}]'' What's a quad team?

--> '''Ray:''' The Fiji Flu?! Not the Fiji Flu! Why, oh why the Fiji Flu?! ''[{{beat}}]'' What's the Fiji Flu?

** [[Recap/StarWarsRebelsS1E08PathOfTheJedi "Path of the Jedi"]]: After Ezra gets a [[PowerCrystal kyber crystal]] from the Lothal Jedi temple:

** [[Recap/StarWarsRebelsS1E09IdiotsArray "Idiot's Array"]]:

-->'''Whirl''': I totally know what a Decepticon is, but...what's a Decepticon?

* ''WesternAnimation/PhineasAndFerb'', "Cheer Up, Candace!": Candace and Stacy are in a comedy club Phineas and Ferb built in their efforts to cheer up Candace:
-->'''Ferb:''' What's the deal with airline food?\\

* In the opening of "Bobski Bounce" from ''Series/DonkeyHodie'', Donkey Hodie greets Bob Dog at his place, excitedly telling him that "Today is the day!" He tells her that he's so glad that

* An episode of ''Anime/{{Pokemon}} the Series: XY'' features this gem:

* In the ''WesternAnimation/{{Aladdin}}'' sequel ''The Return of Jafar'', after Sultan announces that he wants to make Aladdin the royal vizier, Genie pretends to be a newsman and souvenir seller announcing the new Royal Vizier and repeating the phrase several times, only to turn to Sultan afterwards and ask "What's a royal vizier?"

* [[spoiler:Tobey Maguire's Peter Parker]] has this reaction in ''Film/SpiderManNoWayHome'' when Tom Holland's Peter Parker boasts that he's in The Avengers.

* ''Animation/BoBoiBoy'': In "Physical Education", when Probe suggests to Adu Du that they should try to defeat BoBoiBoy in a football[[note]]the kind better known as "soccer" to Americans, just to make that distinction clear[[/note]] match, Adu Du grins and laughs evilly. Then he asks what is a football match, causing Probe to FaceFault.

* ''Series/{{Best Friends Whenever}}'': Shelby does this in the episode "The Butterfly Effect".

-->'''Shelby:''' I've heard of it. But can you explain it in case someone else didn't.

* In the ''Franchise/MarvelCinematicUniverse'' CrackFic, "[[https://archiveofourown.org/works/16690054 How Long Does it Take to Cook a Turkey in the Microwave?]]", Peter has to ask the titular question to every Avenger as a prank. When he gets to Thor, the thunder god excitedly declares that of ''course'' it's possible to cook a turkey in the microwave, before asking Peter what a Turkey is.

* In ''VideoGame/GhostTrick'': Missile the Pomeranian is concerned when he learns [[spoiler: his owner, Kamila]] is being held as a hostage... then he asks "What's a hostage?"^

* In the ''WesternAnimation/TheHunchbackOfNotreDame'', as they're preparing to find the Court of Miracles to warn the gypsies about Frollo's attack, Quasimodo shows Phoebus the amulet Esmeralda gave him.

** "Opposite Day":

'''Patrick:''' [[TropeNamer No! What is it?]]

* [[spoiler:Tobey Maguire's Perter Parker]] has this reaction in ''Film/SpiderManNoWayHome'' when Tom Holland's Peter Parker boasts that he's in The Avengers.

* In "Kai-lan's Sleepover" from ''WesternAnimation/NiHaoKaiLan'', Kai-lan declares that the group is going to play "Flashlight Funny Faces." Rintoo says that the loves "Flashlight Funny Faces, then asks Kai-lan how to play it. Later in the same episode, Tolee suggests a game of "Pass the Panda" with his stuffed toy Pandy. Rintoo says that he loves it, then asks what it is.

* In the ''WesternAnimation/ReadyJetGo'' episode "[[Recap/ReadyJetGoS2E21MoonCircusEveryDayIsEarthDay Every Day Is Earth Day]]”, Jet says that he loves Earth Day, but then asks what it is.

-->'''Linda:''' Oh no, not brunch skunks! ...What are they?

-->'''Joey:''' Whoa-whoa! No-no-no-no-no, nothing is going "up"! Okay? "Up" - "up" is not an option! What's a urethra?

* In ''Film/SpaceJam'', WesternAnimation/BugsBunny, in an effort to defend himself and the rest of the WesternAnimation/LooneyTunes gang from becoming slaves to the Nerdlucks, challenges them to a basketball game. They eagerly accept the challenge… right before asking "what is basketball?".

* In ''Film/SpaceJam'', WesternAnimation/BugsBunny, in an effort to defend himself and the rest of the WesternAnimation/LooneyTunes gang from becoming slaves to the Nerdlucks, challenges them to a basketball game. They eagerly accept the challenge… right before inquiring "what is basketball?".

* In ''Film/SpaceJam'', WesternAnimation/BugsBunny, in an effort to defend himself and the rest of the WesternAnimation/LooneyTunes gang from becoming slaves to the Nerdlucks, challenges them to a basketball game. They eagerly accept the challenge… right before inquiring what basketball is.

*** In "A Wagon of a Different Color," Bear and Tutter are going through the mail and Bear says that they got coupons from the market. Tutter says that he loves coupons.

* The [[http://dndshallneverdie.blogspot.com/2007/11/from-dread-gazebo-part-of-blackhammers.html Tale of the Dread Gazebo]] is based around this Trope: a TabletopGame/DungeonsAndDragons player who has no idea what a gazebo is but refuses to admit it runs with the assumption it's some kind of mythical monster and tries to "slay" the gazebo.