AC - Avery is Wiki Wiki!
AR - The 123 Hawaii Wiki Wiki significa "rápido", chabî!
AU - "In Hawaii Wiki Wiki is quick mate!"
AZ - "Wiki is Wikid Cool"
BALINESE - Wikiwiki artinipun "enggal pisan"
BANGLA - Hawaii'er bhashaye, tara-tari ke bole "Wiki Wiki"
BC - Bak Chodhi
BR - Wiki Wiki a palavra havaiana para rápido.
LB - Trying to figure it all out.
Nabih tests wiki
אני כותב בעברית
BURMESE - Wiki Wiki so da Hawaiian lo "Myan Myan".
CB - I am groovin on Wi Ki.
BY - Wiki Wiki hoast "gschwind" bei de Hawajana.
CA - Wiki Wiki is "quick" in yer Hawaiian there, eh.
CA - Wiki Wiki vol dir "ràpid" en Hawaià?
CO - Wiki is QwiKi
CH - Wiki Wiki beduetet "schnell" uf Hawaiianisch
CZ - Wiki Wiki znamena havajsky "rychle"
DE - Wiki Wiki ist das hawaiianische Wort fuer "sehr schnell".
DE/MOSELFRANCONIAN - Wiki Wiki hääst "flott" uff Hawaiioonisch
DE/SWABIAN - D'Hawaiianer said Wiki Wiki wenn ses eilig händ.
DE/SAXONIAN - Wiki Wiki sach'n de Hawaiianer wenn ses eilisch ham.
DK - Wiki Wiki betyder "hurtig" på hawaiiansk.
ES - Wiki Wiki viene de "veloz" en hawaiano.
ESPERANTO - "Wiki Wiki" estas 'Rapide Rapide' en la Havaija lingvo.
EST - Havaii keeles Wiki Wiki tähendab <>.
FI - Wiki Wiki on havaijin kieltä, ja tarkoittaa "nopea".
FL - Wiki is convenient and as easy as HTML!
FR - Wiki Wiki signifie "vite" en Hawaïen.
GA - Wiki Wiki an focal Haviiach ar "mear
GB - Wiki Wiki is the Hawaiian word for quick".
GEEK - "Wiki Wiki" == `nice -n 0`; // Wiki++
GL - Wiki Wiki quere dicir "veloz" en hawaiano.
GR - Wiki Wiki Ã?ìáßíåé "ãñãï?" Ã??÷áâáíY´æéê?
GUJARATI - US na Hawaii tapu maa 'jaldi-jaldi' ne "Wiki Wiki" kahe chhe.
HE - "Wiki Wiki" means "?é÷ ?à÷" or "æøéæ"
HINDI - Hawaii ki bhasha mein "jaldi jaldi", phataphat ko Wiki Wiki kehte hain!
HR - "Wiki Wiki" je havajska riječ za "brzo"
HU - Wiki Wiki annyit jelent hawaii nyelven: "gyors"
IR - Wiki Wiki be zabane hawayi yani sari-tond-zood.
ICE - Wiki Wiki er hawaííska og þýðir hratt
IL - זה מהר Wiki Wiki
INA - Wiki Wiki merupakan kata dalam bahasa Hawaii yang berarti "cepat".
IT - Wiki Wiki è una parola Hawaiana che significa "veloce".
JAVANESE (not the Java by Sun Microsystems) - tegesipun Wiki Wiki inggih puniko 'enggal-enggal'
JBO la uiki,uikis cu mutce sutra
KALBO - Wiki TQ
KONKANI- Hawaiintu Wiki Wiki mallari vaggi-vaggi monu arthu
KANNADA- Havwaii alli Wiki Wiki andare bega-bega anta artha
KOREAN- Wiki Wiki´Â ÇÏ¿ÍÀ̸»·Î '»¡¸®»¡¸®'¶Â? ¶æÀÔ´Ï´Ù.
LADAKHI- wikiwiki = "Gyospa"
LT - Wiki Wiki Havajieči� kalba reiškia "greitai".
LU - Wiki Wiki heescht "séier" op Hawaianëch.
MALAYALAM - Hawaiian bhashayil "Wiki Wiki" ennu paranjal "pettannu" ennu artham.
MARATHI - Hawaii madhe pat pat la Wiki Wiki mhantat!
MK - Wiki Wiki na makedonski znaci brzo.
NL - Wiki Wiki is Hawaïaans voor "vlugvlug".
NO - Wiki Wiki er Hawaiisk for "hurtig".
NP - Nepalima 'wikiwiki' lai 'chito chito' bhancha
PIG LATIN - 'Wiki Wiki' isway Awai'ianhay orfay ickquay.
POL - "Wiki Wiki" to po hawajsku "szybko" (luzne tlumaczenie: dawaj, dawaj!)
PRC - Yong Hawaii ben di de yuyan, "Wiki Wiki" shi "kuai" de yisi
PT - Wiki Wiki é uma palavra Havaiana que significa "rápido".
PU - Wiki Daa Matlab Punjaabi Ch Hundaa Hai Jaldi
RO - "Wiki Wiki" inseamna "Repede" in dialectul hawaiian..
RU - Wiki Wiki значит "быстpо" на Гавайском языке. [znachit "bystro" na gavayskom yazyke]
SE - Wiki Wiki är Hawaiiska för "mycket snabb".
SELVIS - Wiki Wiki plernigrubn flobbn peissipeissi Hawaiischnorb
SI - Wiki Wiki v havajskem jeziku pomeni "hitro".
SINDHI - Hawaii ji bhasha mein "Wiki Wiki" jo matlab "jaldi" aahe.
SK - "Wiki Wiki" znamená v havajskom jazyku "rýchlo".
SR - "Wiki Wiki" na havajskom jeziku znaci "brzo"
SUNDANESE (not SUDANESE!) - Wiki Wiki hartina 'gancang euy!'
TAGALOG - Wiki Wiki ibig sabihin "madali" o "mabilis."
TAMIL - Hawaii mozhiyil "Wiki Wiki" endral viraivu endru poruL.
TELUGU - Hawaai lo "Wiki Wiki" antey "tondharaga" ani artham.
THAI - Wiki Wiki maay khwaam waa rew rew nai phaasaa Hawai'i.
TIGRINYA - Bequanqua Hawaii 'kiltuf' malet iyu.
TR - Wiki Wiki Hawaii dilinde "çabuk" anlamina gelir.
TWI - "Wiki Wiki" kyere se "ntentem" Hawai'i kasa mu.
Urdu 1- Jaldi ka matlab 'Wiki' Hawaiian mei.
Urdu - Wikki wikki "jaldi" kay liyay Hawaiian lafz hai
UK - Wiki is Hawiian for 'quick'
UK - Wikiwiki "instant"
UK Old School - "Weeny, Weedy, Wiki". I came, I saw, I chilled out.
US - Wiki Wiki means "Giddyup" in Ukulele-land.
US - Most excellent. yes it is
VI - Wiki Wiki c??? nghĩa l??? "nhanh nhanh" �? Hawaii.
ZA - Wikiwiki beteken "vinnig" in Afrikaans
ZAZAKI - zone Xawaiide mana xo "pet" o
AT - Wiki Wiki seems to sound similar to "vite vite"
ZH - Wiki Wiki 维基维基(translation) [weigi weigi] sounds like "危机 危机" => "crisis crisis" in English
ZH - What language support must a pc have to read this definition of Wiki Wiki? MP (My google search is inconclusive: www.google.com 
)
The following google search seems to indicate simple Chinese:
(Yeah, it's Chinese. And there are Chinese Simplified & Chinese Traditional...)
It is also short for Wiki Wiki Web, see that page for more info. Some have used Wiki Wiki as a Dramatic Identity.
Quotes:
BAHASA - Wiki Wiki means 'pantas'/'cepat' in Bahasa Melayu
In Ukrainian, "Wiki Wiki" is baby talk.
See original on c2.com