Definitions by MeL89

wa lao 

Wa lao also known as walao and wa lau

Malaysian/Singaporean slang
meaning "OMG", "Wat the!!".

Wa lao, that guy pwned me with a knife. (in CS)

Wa lao-eh, triple kill loh! (in D.o.t.A.)

wa lao by MeL89 March 8, 2007