I have no ego about music so I see nothing embarrasing at all about liking "My Humps" or others mentioned on this thread.
That said, Alanis Morissette's voice & piano version of "My Humps" is priceless:
http://www.youtube.com/watch?v=pRmYfVCH2UA
As for "The Christmas Shoes," I feel blessed not to have heard it so far this year, and in fact to have forgotten about it until I read this thread. It makes me want to go on a murderous rampage. Little boy, your mother's going to DIE, go be with her instead of buying her shoes she will never wear.