I can’t believe I’ve never heard this joke before today, but it makes me smile:
Two penguins are sitting on an ice floe, drifting helplessly north into warmer waters. The penguins are quite fond of each other, but they don’t speak English very well. Suddenly, cra-a-a-a-a-ck, the ice floe splits in two, right between the penguins. As they drift apart, one penguin sadly waves a flipper and calls out, “Chocolate milk!”.