Kin teet is Jamaican for laughter.
Kibba means cover.
Bun stands for burn.
When translated you get someting like 'use laughter to cover pain'.
This is by no means saying be a stoic. Not at all. We Jamaicans are open and unabashed where grief and distress are concerned. We are not ashamed to let it all out. Even on national TV. Especially on national TV.
'Tek kin teet kibba heart bun', is not a saying that intends for you to live in denial and not come head on with whatever it is that is emotionally distressing.
Instead, its just a way of saying comedy and laughter are good for soothing sorrows.
So look for comedy, create merriment, laugh nuff.