Ayoba (pronounced: ah yoh bah) is a South African slang word for "yay" or"oh yeah".
Read the Answers definition here
Ayoba is also used in a wide variety of contexts, but basically, ayoba is good. To be "not ayoba" is bad.
For example:
South Africa is ayoba. Spending time with good mates is ayoba. Drunk driving is not ayoba.
If this entices you to learn more, then check this out: South African slang :-)
And is you're feeling homesick, here's a quick check if your heart is still rainbow-coloured: Still South African? Check your Slang!
Supporting local vendors is definitely ayoba!