It's a catch all word. My husband & I lived in Hawaii for 25 years - this is similar to 'da kine'. Try it! It will roll off your tongue... Use it when you can't remember a word. Just substitute galongwallah. It always works!
You would call someone "garbongo" when they are clearly wrong.
Garbongo means that something or someone are lower then trash and deserves to be burned like the filthy garbage they are
1. Somebody in a P.E. lesson who acts hostile towards people not partaking in the lesson
2. An insult used towards a P.E. teacher when acting hostile to a student.
1. I'm not taking part, you galonga!
2. Teacher: "If you don't join in with the idiots, you will be in detention!"