I think he was trying to answer the OPs actual question: which isn't about examples of a funny Act II songs, but to see if there is a NAME for it. (Like an I Want Song, or an Eleventh Hour number)
If we're not having fun, then why are we doing it?
These are DISCUSSION boards, not mutual admiration boards. Discussion only occurs when we are willing to hear what others are thinking, regardless of whether it is alignment to our own thoughts.