What does kosi wahala mean in yuroba?

"Kosi wahala" is not a Yoruba phrase. It is a pidgin English phrase that is commonly used in Nigeria and other parts of West Africa.

Kosi wahala means "no problem" or "no worries". It is a way of saying that everything is fine and there is nothing to be concerned about.

While it is not strictly Yoruba, it is widely understood and used by Yoruba speakers in Nigeria.