>>14731563The first bit is like you're going to say "no" without the "o", so you just make that kind of "nnn" humming noise with your tongue against the back of your teeth. Then "goo boo". If you have trouble with the "nnn" noise, you can try "en" or "un".
It's more phonetically written as N'Gubu, which is a parody of football players like N'Golo Kanté.
