What's yellow all over and can't swim?
A school bus full of children.
What's yellow all over and can't swim?
A school bus full of children.
Alright, listen up, buttercup! So, the joke is that you expect something normal that's yellow and can't swim, like a rubber ducky. But BAM! It's a school bus full of children. Because, you know, they're dead. You are not smart, you probably thought that the bus was painted yellow, huh?