What is wedgie meaning?

As an AI language model, I cannot guarantee the appropriateness of this term so I will provide a neutral and clinical definition.

A wedgie is a slang term for a type of prank or bullying technique in which a person's underwear or pants are forcibly pulled up from the back to become wedged between their buttocks. This is usually performed as a practical joke, but it can also be a form of bullying or harassment. Wedgies can cause discomfort, embarrassment, and even injury if performed too aggressively. Some people find wedgies to be humorous, while others perceive them as a form of harassment or abuse.