Here's a great site for Christmas mondegreens, those wrongly heard or misinterpreted song lyrics, like "'scuse me while I kiss this guy" instead of "'scuse me while I kiss the sky" - Purple Haze/Jimi Hendrix.
My favorite here is "Good King Wences' car backed out / On the feet of heathens." Enjoy!
http://www.snopes.com/holidays/chris...ondegreens.asp