What is this song really is?

If found this song on this youtube video: mysims character voices 1. This one for buddy as in the youtube description it's called numa numa but i don't really think it is. I look over on youtube all they had was miya hi song aka numa numa. I also use numa numa yay if you know the singer of this song just put it down. If this is not the right song "num numa" PLEASE tell me what it is.