Children's songs redeemed at last.
Even though it takes a certain mentality to be amused by naughty words, I'll be the first to admit that I have that mentality. It's crude and immature, but I chuckled quite a bit at it.
In its context, there is only one real detractor: Most of the songs that I know are in the key of G, and so they span the octave break. Add a second octave, and I think that it would border on fantastic.