Krusty: To prove that this metal O is harmless, I will personally eat one.
See? There’s nothing- GAH! OHHH.. BOY, THIS THING IS SHREDDING MY INSIDES!
Sideshow Mel: Uh, Krusty, that wasn’t the metal one, that was a regular Krsuty-O.
Krusty: It’s poison!
- S06E22, ‘Round Springfield’