What do you call it when a snowman throws a tantrum?
A meltdown.
What do you call it when a snowman throws a tantrum?
A meltdown.
The joke plays on the double meaning of "meltdown". A meltdown is when something melts, and also a common term for a tantrum. Since the subject is a snowman, it is funny because a snowman would physically melt if they were upset.