Something she learned as a kid, my informant remembers this piece of folklore from middle school. The way it works is someone says that if your hand is bigger than your face, you have cancer. Then, when you put your hand up to your face to check, they push your hand into your face. It’s painful and annoying and it makes my informant remember why she hated things like that when she was younger, tricks kids would make up to hurt others. Because the kid the prank is pulled on fails to realize they’re being tricked, it becomes almost acceptable to hurt them. The pain comes as a result of the person’s failure to realize it’s a trick. This is why many people accept it when they get hurt from a prank like this, versus if someone randomly just hit you in the face, in which case you might less readily let it go. My informant remembered being a kid and not differentiating between the two cases, though. When a peer did this to her, her response was to kick him in the leg. The prank is something she hasn’t forgotten because it serves as a reminder of that human desire to hurt others and be in positions of power over them, where it becomes acceptable to hurt them. My informant dislikes that quality of humanity but finds it interesting that it exists and that things children do often reflect it.
The prank also acts as a kind of initiation into the group of people who know it. Once it’s been done to you, like a college hazing ritual for example, you want to do it to the person who doesn’t know about to get revenge upon whoever did it to you. And once the prank’s been done to you once, it can’t be repeated unless you forget how it works. This makes it not seem as bad, since even if it hurts you, it also teaches you what it is so you feel like you gained some knowledge from the experience. Humans learn from pain, and this is an example of that. The prank’s existence also shows how children like to push limits to see what’s socially acceptable. Mature adults would be less likely to perform this prank because it is against social codes to malevolently trick someone like that.