A cry of fright, distress, etc. (especially of an infant or young child)
A cry of amazement, delight, etc.
‘Wah! Wah! Wah!’ they shouted and threw up their arms in delight. 1937, Ion L. Idriess, Over the Range, Sydney: Angus and Robertson, published 1947, page 277:
ta குவா (cry of fright) · ru уа-уа (cry of amazement) · vi oe óe (cry of fright) · vi oe oe (cry of fright) · ru уа-а-а (cry of amazement) · vi oa oa (cry of fright) · ta ஆ (cry of amazement) · ta ஐ (cry of amazement)
(Manglish, Singlish) Wow!; whoa! (expressing surprise, gratification, exhaustion or exasperation)
Wah, you quite brave hor... 2005 October 30, Wong Kim Hoh, The Sunday Times, quoted in Jack Tsen-Ta Lee, A Dictionary of Singlish and Singapore English:
“Wah, so tall already, ah? Primary what already, ha? 2022, Daren Shiau, chapter VIII, in Heartland, Ethos Books, →ISBN: