betel nut, chewed with lime and mustard of various kinds, very popular, sold in markets and from small stands on the streets of Papua New Guinea, and responsible for the red stains of expectorant which colour streets, walls, buildings and roads
- kaikai buai to chew betel nut
- Tambu long spetim buai.
Spitting betel nut juice is prohibited. - Em i spetim buai long ka bilong mi.
He spat betel nut juice on my car.

less than effective at reducing either the addiction or the mess. Betelnut combined with 2 other common, natural components plus saliva makes a narcotic compound that people then spit in the streets after getting their “buzz”. It makes for disgusting mouths and streets and bad health, but it isn’t easy to defeat an addiction that is so deeply embedded in culture with just a law.