Tobi Yoko Geri is a technique in Kyokushin karate. It translates to 'Jumping Side Kick.' This technique involves jumping and executing a kick with the side of the foot targeting the opponent's body or head. The term 'Tobi' refers to jumping, 'Yoko' indicates side, and 'Geri' denotes the kick. It is commonly used to deliver a powerful and unexpected kick from an elevated position, aiming at the opponent's ribs, abdomen, or head.