From the good ol' Wikipedia:
http://en.wikipedia.org/wiki/Fuck
The verb "fuck" in different languages
A direct translation of this word may not be possible into any particular language, as every culture has its own taboos, and (as seen above) "fuck" can be used in many different ways.
* Afrikaans: fok, naai, steek ("fok my", "fok jou", "ek het haar genaai")
* Albanian: qi ("qifsha" when used in sentences)
* Amharic: tebeda
* Arabic: neek
* Armenian: kunel
* Belarusian: ????? (jabac´), ????????? (piardolic´) - to fuck
* Bosnian: jebati (to fuck)
* Bulgarian: еба (eba)
* Chinese (Cantonese): diu (屌, but often denoted as the character 小 inside the character 門(). Pronounced like "dew" in English)
* Chinese (Mandarin/Putonghua):
1. diao (屌) Also refers to penis, esp. in Northern China; means "cool", "awesome" in Taiwan.
2. cao (肏/操) (肏 pronounced "tsaau" and 操 pronounced "tsou")
* Chinese (Taiwanese) also known as Minnanese: gan, (used more by native speakers of Taiwanese, it occurs in the expression "Gan lin nia!" which means, "Fuck your mother!" or "Gan lin tzo gon!" which means "Fuck your ancestors")
* Catalan: follar, cardar, fotre
* Cebuano: iyot
* Croatian: jebati; fukati (probably borrowed from English); karati (literally, to scold), seviti, prcati
* Czech: píchat (literally "to thrust", used as a slang word for "to copulate"); šukat, šoustat, mrdat (all three vulgar, to have sex [with], to fuck); kurva! (vulgar, literally "bitch", used as an expletive)
* Danish: kneppe, knalde or "bolle". Pule is known but rarely used.
* Dutch: neuken (also, the Dutch verb fokken, meaning to breed animals)
* Esperanto: fiki
* Estonian: nikkuma, nussima, keppima
* Filipino: kantot
* Finnish: vittu (Curseword, "Voi vitun vittu!!"="Fucking fuck!!", literal meaning of "vittu" is "cunt") nussia (verb, to fuck) Haista vittu! (Fuck you!) Literally go smell a cunt
* French: baiser (to have sex with); foutre (dismissive: "Va te faire foutre!" meaning "Go screw yourself!"; "Fous le camp!" meaning "Fuck off!" or "Shove aside!"), nique (As in "nique ta mère!" meaning "fuck your mother!") or simply putain (as in "Putain!" meaning "Fuck!")
* French (Quebec): fourrer (literally, to stuff); the adjective fucké, a borrowing, means broken or out of luck, and is not especially profane. See sacre.
* Galician: foder
* Georgian: მოტყნვა; mot'q'nva (fuck)
* German: ficken (to have sex with, pronounced like fucken, just with a short e instead of the u) 1
* Greek: gamao, gamo, gamisi; Γαμάω, Γαμώ, Γαμήσι ("g" pronounced softly, as a voiced velar fricative)
* Gujarati: chod ("Ch" as in check & "d" is pronounced softly)
* Hebrew: "lezayen" (transitive), from noun "zayin", which is a slang word for the penis; also "lidfok", which literally means "to knock". "Lech tizdayen" (directed at a male) and "Lechi tizdayni" (directed at a female) are the common usages, meaning "fuck off".
* Hindi: chod (चोद)("Ch" as in check & "d" is pronounced softly) madarchod "Motherfucker" Behenchod "Sisterfucker"
* Hungarian: baszni
* Icelandic: ríða (pronounced "ree-tha" with a soft th-sound, literally: to ride)
* Ido: futuar
* Indonesian: ngentot
* Irish: Feisigh, verb. Feisigh leat, "fuck you".
* Italian: fottere, scopare, trombare, ciulare, chiavare, stantuffare
* Japanese:yaru "to do, to give, to have sex with" くたばれ, kutabare, "To die, to have sex with"
* Kannada: kay-yi
* Klingon:3 Qu'vatlh (pronounced KKHO-vatl), or va. Both are general invectives. The adverbial jay' (intensely) can also be used, as it turns the sentence into an invective.
* Korean: "ssi-bal" (씨발), pronounced like the English words "she ball" but with the a in bal pronounced as the a in Sally, not the o in Johnny
* Latvian: pist
* Latin: futuere
* Lithuanian: pisti, dulkinti, krušti
* Luxemburgish fecken (to fuck)
* Luo: Ng'othruok
* Macedonian: ?? ??? (to have sex with someone)
* Malay: puki (likely an adoption of fuck) or pukimak (likely an adoption of motherfucker) or celaka (bastard) kotek 4
* Malayalam: Punn
* Maori: onioni
* Marathi: झव,Zav
* Nepali: chiknu (verb, pronounced chicknu'चिक्नु') [reader's note: the word seems inconsistent with the one written in Nepali]
* Norwegian: knulle, pule
* Persian: گاییدن ga-yee-dan
* Polish: jebać (pronounced yebatch), pierdolić (pronounced pee-erdolitch), kurwa (pronounced koorva, used as an interjection)
* Portuguese: foder (i.e. vai se foder means "go fuck yourself.") (or comer subjectively used, because it means "to eat"; in Northern Portugal pinar ou montar is also used; in Brazil fuder is commonly seen)
* Romanian: a fute (often used in phrases such as "futu-ți mama mǎ-ti", lit. "fuck your grandmother").
* Russian: ебать (somebody), ебаться (each other), also трахать, трахаться.
* Scottish Gaelic: Dàirich ("DAHR-ikh"), "to breed/copulate" (a very crass term). Sgaoil leathar (skeul LE-har) lit. "to stretch leather". Buail craiceann (bwal KRA-kenn) lit. "to strike skin". Faigh muin (FAI mooin (fai as in "pie")), lit. "to receive a back".
* Serbian: јебати (jebati), карати (karati)
* Slovak: jebať, drbať (first being more vulgar than second, to have sex [with], to fuck); kurva! (vulgar, literally "bitch", used as an expletive)
* Spanish: Most of the following words, although considered vulgar in certain contexts, are not usually considered curse words, thus not commonly censored.
o Argentina: coger (this same verb in Spain and other countries means "to grab"), also "echarse un polvo".
o Chile: culear
o Colombia: pichar or tirar (the last one means "to throw" in most other Spanish-speaking countries)
o Cuba: singar similar to mexican chingar
o Ecuador: tirar, culear, pegarse un palo, pegarse un polvo (meaning "to take a dust" in most other countries)
o El Salvador: coger, pisar (meaning "to step on" in most other countries).
o Mexico: chingar (e.g. "Chinga a tu madre", "Fuck your mother"), joder (e.g. "No me jodas", "Don't fuck with me"), Ponchar (to pinch) (e.g. "Me la ponche", "I fucked her"), also verguear (translatable as "to dick")
o Peru: cachar, tirar and, less so, culear
o Spain: joder (usually as an all-purpose expletive, can be accompanied by other expletives) or follar
o Venezuela: both joder and chingar used
* Swedish: knulla
* Tamil: Oatha which means "Fucker", pundala okka which means "Fuck her", Thai Oli which means Mother fucker, okkala oli which means "Sister fucker"
* Telugu: Dengu
* Thai: เย็ด yet (to fuck), เย็ดแม่ yet mae or แม่ง maeng (fuck your mother) 5 [7]
* Turkish: sikmek (=to fuck) (Pronounced "sick-mac"), düzmek, sikiş, siktir git (=fuck off), orospu çocuğu (=motherfucker), sikilmiş (=fucked up)
* Urdu: چودنا (verb), chod("Ch" as in check & "d" is pronounced softly)
* Vietnamese: đụ, địt or đéo
o Example: "Đụ mẹ mày!" or "Đéo má mày!" (insulting words similar to "motherfucker", where 'mẹ' is pronounced meh and 'mày' is pronounced may)
* Welsh: The welsh dont have an actual word for fuck. However, you can use Cnachau bant, Ffwcia oma or Cer i grafu (literaly 'Go and Scratch'), Cnuchu fy fam (Fuck your mother) and Cau Dy wyneb a Ffwcio dy ewyrth! (Shut your fucking face, uncle fucker)
* Yiddish: shtupn (שטופּן) (literally "to stuff")
Crosswind technique: "Using your peripheral vision, react to body movements, gasps, groans, and shouts from the other side of the cockpit, and always remember that it's better to be lucky than good."