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Definition 2024

An intensive form of what

Catalan: què collons
Chinese:

Mandarin: 什麼鳥？, 什么鸟？ ‎(shénme niǎo?)

What the **** is this? — 這是什麼鳥？, 这是什么鸟？ (zhè shì shénme niǎo?)
Czech: Co to kurva? (vulgar)
Esperanto: kio estas tiu bordelo
Estonian: mida ****?
Finnish: mitä vittua?
French: c'est quoi ce bordel, qu’est-ce que putain de quoi
German: was zum Teufel?
Greek: στο διάολο ‎(sto diáolo)

What the **** are you doing? — Τι στο διάολο κάνεις;,

or "Τι μαλακία κάνεις;" (stronger than the previous)
Hebrew: מה לעזאזל ‎(ma la`azazél)
Hungarian: mi a fasz
Icelandic: hvað í fjandanum?, hver fjandinn?
Italian: che ****

Japanese: 一体なんだ？ ‎(いったいなんだ？, ittai nan da?), 一体全体なんだ？ ‎(いったいぜんたいなんだ？, ittai-zentai nan da?)
Korean: 씨발, 뭐야? ‎(ssibal, mwo ya?), 뭐야, 씨발? ‎(mwo ya, ssibal?)
Norwegian: hva ****, hva i helvete
Polish: co jest ****?
Portuguese: que porra/diabos/merda
Romanian: ce pula mea
Russian: како́го ху́я (ru) ‎(kakóvo xúja), ху́ли (ru) ‎(xúli), что за хуйня́ ‎(što za xujnjá)
Serbo-Croatian: који курац? ‎(koji ****?)
Spanish: qué diablos, qué carajo, qué mierda, qué coño
Swedish: vad fan, vad ända in i helvete(t), vad i helvete
Thai: อะไรวะ ‎(arai wa)
Uyghur: نېمە دىگەن گەپ ‎(nëme digen gep)
Vietnamese: quái gì vậy
Welsh: beth gythraul

what the ****!

(vulgar) Used to express astonishment, shock, incredulity, or disbelief (as a shortened form of expressions such as "What the **** is going on?", "...are you doing?", or "...is that?").
(vulgar) Used to express nonchalance or the dismissal of any consequences of something one is about to do.
I finally said “eh, what the ****” and quit my job.
- 1983, Curtis Armstrong as Miles, Risky Business:
  Every now and then say, "What the ****." "What the ****" gives you freedom. Freedom brings opportunity. Opportunity makes your future.

expressing astonishment

Romanian: ce pula mea
Russian: (all extremely vulgar:) како́го ху́я (ru) ‎(kakóvo xúja), что за хуйня́ ‎(što za xujnjá), ни хуя́ себе́ (ru) ‎(ni xujá sebé), охуе́ть (ru) ‎(oxujétʹ), пизде́ц (ru) ‎(pizdéc), (mildly vulgar:) како́го чёрта ‎(kakóvo čórta), како́го хре́на ‎(kakóvo xréna)
Spanish: qué carajo, qué coño, qué putas
Swedish: vad fan, vad i helvete, vad ända in i helvete
Vietnamese: quái gì vậy

expressing nonchalance

Russian: (extremely vulgar:) (ну и) хуй с ним ‎((nu i) xuj s nim), (colloquial:) (ну и) чёрт с ним ‎((nu i) čort s nim)
Spanish: ¡qué más da!, qué coño, qué carajo
Swedish: vad fan
Vietnamese: thôi kệ, thôi (vi)