Resistentialism
Resistentialism is a joke theory about objects intentionally being mean to humans. Objects like lost keys, broken printers, or bouncing balls are said to dislike us. It is said to be a battle between humans and objects causing small troubles. The idea was named "Resistentialism" in 1948 by writer Paul Jennings. It is a playful imitation of existentialism, with a slogan saying "Things are against us."