A penguin is driving along and his car breaks down. Luckily, he is right by a gas station with a mechanic on duty. While the mechanic is working on his car, the penguin goes for a snack.
He finds an ice cream display, and eats a huge vanilla ice cream bar. He gets back to the mechanic, with melted vanilla ice-cream all over his face.
The mechanic looks up and says ‘Looks like you’ve blown a seal.’
The penguin replies, ‘No, this is just ice cream.