I've got a good one, but it's not exactly in a horror movie.
How about that fridge from Requiem for a Dream?
"Juice it! Juice it! Juice it! Juice it! Juice it! Juice it! Juice it! Juice it! Juice it! Juice it! Juice it! Juice it! Juice it! Juice it! Juice it! Juice it! Juice it! Juice it! Juice it! Juice it! "
lol