WHAT!

Japanese Kanji 

哉 (alas!, how!, question mark). (various references)

Japanese Katakana 

さい (ability, again, alas!, aptitude, circumstances, companion, cut, debt, difference, disparity, genius, gift, hold, how!, judge, loan, my son, on the occasion of, planting, re-, repeated, rhinoceros, son, talent, the extreme, the most, -years-old), かな (alas!, how!, Japanese syllabary, kana). (various references)

Pig Latin

at!whay.(various references)

Portuguese

quê!, como!. (various references)

Romanian

ce! iarãşi beat (what! drunk again). (various references)

Swedish

Va!. (various references)