Ridiculous longs ways to explain objects in non-English languages

Edit: One of the wellknown ones is "Donaudampfschiffahrtsgesellschaftskapitän". It refers to the captain of a steamboat company operating on the river Danube. We don't really have steamboats anymore so it mostly stays alive as a linguistic curiosity.

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Pneumonoultramicroscopicsilicovolcanoconiosis

Antidisestablishmentarianism.

Supercalifradiousifalodouicedoicias

German legal document names are way to long, like their "Grundstücksverkehrsgenehmigungszuständigkeitsübertragungsverordnung".

I have seen some long and weird words to say in an Ainu language dictionary. The language is almost extinct, if not extinct already.

kompensationsbestatigung

kolmivaihekilowattituntimittari = "three phase kilowatt hour meter"
or
Lentokonesuihkuturbiinimoottoriapumekaanikkoaliupseerioppilas = "airplane jet turbine engine auxiliary mechanic non-commissioned officer student"

And this is the best one
Juoksentelisinkohan?

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in german language you can combine words to create new words^^ thats why we have some very long words
https://www.youtube.com/watch?v=gG62zay3kck

защищающихся - zascheeschayouscheekhsya

Is the first Russian one that springs to mind, although it's more widely used as an example that's supposed to be hard to pronounce for non native speakers.

Finnish is fucking crazy.
Instead of changing them, they keep sticking words together.

Also:

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Might not be that funny for people who don't understand German, but there is a nice short movie involving Flurförderfahrzeuge:

Be advised the movie is a little bloody and might be considered NSFW because of that.

Staplerfahrer Klaus

"vichelocrego" o "escornabois" (Galician)

Agglutinating languages for the win: megszentségteleníthetetlenségeskedéseitekért. And this is one word, not two or more glued together.

Pneumoultramicroscopicossilicovulcanoconiose no Brasil.

"Usatysfakcjonowany" is Polish for "satisfied".
There's also "pięćdziesięciogroszówka", which means a 50 groszy coin (Polish currency is called "złoty", which is subdivided into groszy. 1 złoty equals to 100 groszy).

There's a city in Whales called Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch, which is Welsh for Saint Mary's Church in the hollow of white hazel near a rapid whirlpool and the Church of Saint Tysilio near the red cave

Pronounciation

Donaudampfschifffahrtselektrizitätenhauptbetriebswerkbauunterbeamtengesellschaftsgründungsmitglied und Schauspielerbetreuungsflugbuchungsstatisterieleitungsgastspielorganisationsspezialist im Psychoselbsterfahrungsfamilienaufstellungskörpertantrapersönlichkeitsentwicklungsseminar.

All the info you need. Chemistry/Medicine in general has some ridiculous ones too.

hippopotomonstrosesquipedaliophobia - Officially it's English, but in fact it's Latin for fear of long words, ironically.

Combining words together is a common practice among languages. I can say Italian uses this practice, too, and usually, this is done with a verb and a noun. Some examples can be:
Cavatappi = corkscrew (cavare = to remove, tappi = corks);
Stendibiancheria = drying rack (stendere = to lay out, biancheria = laundry);
Lavastoviglie = dishwasher (lavare = towash, stoviglie = flatware) (flat-ware, lol);
Asciugamano = hand towel (asciugare = to dry, mano = hand);
Rompiscatole (rompipalle) = pain in the arse (rompere = to break, scatole = boxes (palle = balls, testicules).

Also in my native language (Furlan, my region's language) there are some of these composite words (verb+noun), and some of them actually mean something different from their literal meaning and some are pretty fun. Some of them are:
Menerost (this thing) also means someone who always tells you the same things over and over, who is a pain in the arse;
Mastiefumate (= fog chewer) indicates someone who does useless things;
Strissinecjadenis (= chain dragger) is someone who annoys people;
Soflecinise (= ash blower) similar to strissinecjadenis, is someone who does annoying things;
Patafebancs (= bench slapper) indicates a clerical figure or some very churchy person;
Tirecampanei (= bell ringer) someone who spites other people;
Sticeboris (= poker) same as tirecampanei;
Pesemoscjis (= fly weigher) means very meticulous.

Funny things! :D