TyxK's definitions

Siak

Siak is not the same as sial. It is an affirmative slang word that means "surely", typically used by younger millenials. It is not a curse word and it is not offensive, but for the sake of respecting the elders please avoid using this slang word.

Other synonyms of siak are : siut, siot, seh
These words are probably more famously used among Johoreans, Malaccans and Singaporeans.

"Majlis semalam tu lama gila, siak"
"Aku dah cakap awal-awal lah siak"

by TyxK May 22, 2022