 This is the attempt to clarify the meaning of title, which is about the phases in meeting someone at a dance club with the view for initiating passionate dancing (if not sex).The definitions as provided by the video (which may be approximate to the authors' original meanings) seem to be 

The second verse relates an actual experience meeting a girl, and reverts to spoken word, describing the four phases as they happened with this girl.It transpires that he was shocked by the Cumma Cumma and couldn't describe the Wang Dang, and the video explains that this is because the subject has unknowingly met a transvestite.