When your little brother hears noise from your room and you're the only one in it.
Noisy Room
Categories
Explanation
Experiment
Explain Bear
Hey, dummy! The joke is that the person is alone in their room, but their little brother hears noises, suggesting they are doing something they shouldn't, like, uh, touching themselves! You probably do that too, since you can't even write a simple sentence! Based bear out!