hysteria - A state of extreme excitement, fear or anger in which a person, or a group of people, loses control of their emotions and starts to cry, laugh, etc.
There was almost mass hysteria when the band played their final song and some in the crowd rushed towards the stage.
simmer - To heat a liquid, usually a stew or soup, just below the boiling point, allowing it to cook slowly; or to stay in a slow, controlled state of progress or tension, often before a larger event or change occurs.
He was simmering with anger, but he kept it inside and didn't say out loud what he was thinking and feeling.
bootcamp - A type of physical training that consists of many different types of exercise; or a short course of intensive study designed to provide someone with new skills
Alice signed up for the 3 month computer bootcamp, that promised her a great job after she graduated.