Ongbay 

Pig latin word for bong.

Used by most young groups around sydney

Pass the Ongbay

Ongbay by psudo assasin April 23, 2010

ongbak

A derogatory term for someone of Thai descent, although can be unilaterally applied to anyone with Asian features.

"Hey look what that sweaty Ongbak put in my food"

ongbak by df1800 July 28, 2012