A dance invented by two teenage boys while watching a girl with Cerebral Palsy carry tomato soup out of a microwave.
How to "Tomato Soup Dance": keep one leg bent to the side while keeping both arms bent like a t-rex. Attempt while walking around. And this is the Tomato Soup Dance!
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).