Sokuto Chudan Yoko Geri is a technique in Kyokushin karate. It translates to 'Knife-Edge Mid-Level Side Kick.' This technique involves delivering a side kick with the edge of the foot to target the opponent's midsection or torso. The term 'Sokuto' refers to the edge of the foot, 'Chudan' indicates the mid-level, 'Yoko' means side, and 'Geri' refers to the kick. It is commonly used to strike the opponent's ribs or flank with precision and force.