It was already few years since this song come out. The artist name is MACHI (hokien rap group)
Tittle of this song i dont know... the video for this song were taken in class room. Thats a bridge or chorus im not sure.. and its goes like "bohhh....".
The song stopped in halfway then there is a weird vocal like "uuuuaaaarrrggghhh" then the song continues.....its a hokien rap song. please somebody tell me what song is this????