In theory, pranks are a funny experience for all parties involved. One person hatches a genius or silly way to troll their friend, and the friend has a good laugh at the reveal. However, there are a lot of ways for pranks to go wrong, and a lot of people who use the concept of pranks as a mask for doing something manipulative or cruel.
Filling someone's underwear drawer with shaving cream is a silly and annoying prank, while lighting someone's expensive underwear on fire is more of an act of emotional abuse. Sadly, there are a lot of people who are too dense to know the lines between pranking and cruelty, and their antics quickly pivot from jokes to gaslighting.
In a recent post on the Am I The A*shole subreddit, a woman asked if she was wrong for pulling a "prank" on a guy who has a crush on her, on Valentines Day, no less.