Cheetah Share definition Flag 1. A cheater. 2. One who cheats on their partner. 3. One who cheats while playing a game. I hate playing games with Micheal, he's such a Cheetah. Cheetah by ♥️QUEENof♥️$ April 6, 2020 0 0 Get merch Get the Cheetah mug. Buy Now — $32.95 See more merch