When a person wont complete daily functions or activites after an event that deeply disturbed them.

A person or people that purposefully causes chaos or mischief within a group for the sake of entertainment.

When you want to Kermit Sewerslide. When you are so "done" with,for example a class at your school/.

Flailing your arms around the office to turn back on the lights.

The act of making an error whilst driving or cutting someone one off and just looking straight forward pretending you are unaware of what you've just done.