Origin: South African slang.
Similar to dissing someone. When you put someone on their place and leaving them speechless.
Mary made me so angry when she was mean to Clarissa so I spent the whole night chuning her.
When u telling yuh friend or de DJ to pump up de volume or play some music somewhere. You will mostly here that phrase in Trinidad and Tobago
Ayy DJ... buss ah chune dey nah !!!