What is the meaning of 'Ayoba?

Answer 1

"Ayoba" is a slang term used by South Africans to express amazement.

It is derived from other slang terms, like "Ayeye" or "Ayoyoyo." It was originally meant as an approval/appreciation of good dancing, although the exact origins of the phrase are unknown. It is thought to have roots in Johannesburg township culture. It is however, uniquely South African and expresses delight, excitement, agreement and approval. It is also used as a greeting.

Answer 2

Its a common reply to the mating call of the Vuvuzela

(as shown by MTN during the 2010 world cup)