Originally popular with East African Indians, the term has now been adopted by many South Asians and West Indians alike. It has also dropped the w sound as it was very light and often unheard by non-Swahili speakers.
Kem cho bana?
Bana! Chai moja. Asante sana.
Yea theyve been together since 2
Usually the final proclamation when something is finished. An announcement, that you are done, here, finished something, bragging. ect.
(My aunt heard this when she was younger, the man saying it, swore it was not Ta-Da but Ba-Na. So thought I would share ;P)
"I have finished this paper, Ba-Na!"