1. onz - Adjective
2. onz - Verb
onz (not comparable)
(colloquial, Malaysia, Singapore) Taking place
Tomorrow's gathering onz or not? ― Is tomorrow's gathering taking place?
onz (third-person singular simple present onz, present participle onz, simple past and past participle onz)
(colloquial, Malaysia, Singapore) Attending; coming; joining; participating
You onz? ― Are you attending?
Hiking tomorrow. Onz mou? ― I am going on a hike tomorrow. Are you coming?
Solanas was then known as Onz Loh. Source: Internet