Buai

Also known as Betel Nut, is a addictive nut, nicknamed Buai by Papuan's, very popular in Papua New Guinea, it is consumed with a mustard stick dipped in slaked lime powder.
Buai can give people red teeth and makes them spit alot.
Eating 8-30 grams of betel nut can cause death. Chewing betel nut can make your mouth, lips, and stool turn red. It can cause stimulant effects similar to caffeine and tobacco use

"Aye cunt stop spitting your fucking buai all over the street, you fucking vampire lookin ass Kan!"