Bart: No, don't! You have to protect yourself!
Homer: Son, there comes a time in every father's life when he must...
[a reindeer rushes him]
Argh!
[a reindeer from the other side of Homer rushes him too]
Urgh!
Bart: Dad, are you hurt?
Homer: Just... my bones... and organs.
-- And whatever's left inbetween, "Homer's Phobia"