If you’re talking about the device used to control your computer’s cursor, is the plural computer mouse or computer mice? Either is correct, but the most common version is computer mice. In the early days of computers, engineers often...
rat-racing n. a playful form of high-speed flying in which airplanes pursue or attempt to out-maneuver each other, similar to a game of cat-and-mouse. (source: Double-Tongued Dictionary)