Dancing Mad is a term used to mean a extremely long piece of music that usually crresponds to a fight. It may repeat, or have sections, which repeat until it is time to move on.
Seto Kaiba/Marik Ishtar: And now I will bore you to death with my boring speech, and six loops of Barney!
Snake: Oh d*** sprouts! Not A Dancing Mad and a God Card!! Should've just played Heli Attack 3.