ok, it's from a movie called Silent Night, Deadly Night 2. I've never seen it, it's supposed to be a sequel to a horror flick, but people who saw it say it's laughably crappy.
THIS HAS BEEN ANOTHER:
S T R U T T I N ' L E O ' S
U S E L E S S K N O W L E D G E
*more on Wikipedia http://en.wikipedia.org/wiki/Silent_Night,_Deadly_Night_Part_2
[oh man, Handsome Tom is going to kill me.... :P]