‘The zoomies’ are when a cat chases its tail round and round and round at high speed. It might also dash about the house, or between a sofa and a chair, jumping onto one then zooming across the room to jump on another. Cats do this to work off excess energy, particularly if they haven’t been out for a while. Many owners keep their kitty indoors too much, so they don’t get to work off their excess energy enough!