Kafi Effect
When something or someone goes from being on top to being completely broken in a flash because they got too big for their britches or got hit by a random disaster.
The actor went from being a movie star to being a joke because he tried to do a magic trick and failed.
The business went from making millions to going bankrupt because they bought a giant disco ball.
The athlete went from winning gold to getting booed for wearing socks with sandals.