Bart: I thought I'd be jumping for joy the day Skinner got fired. Now
all I have is this weird hot feeling in the back of my head.
Lisa: That's guilt. You feel guilty because your stunt wound up costing
a man his job.
Bart: I guess it is guilt.
[scratches his head; a small spider bites him repeatedly there]
-- The poisonous fangs of guilt,
"Sweet Seymour Skinner's Baadasssss Song"