Jodan Haishu Uchi is a technique in Kyokushin karate. It translates to 'Upper-Level Backhand Strike.' This technique involves delivering a striking motion with the backhand targeting the opponent's head or upper body. The term 'Jodan' refers to the upper level, 'Haishu' indicates the backhand, and 'Uchi' refers to the striking motion. It is commonly used as a surprise attack or to counter an opponent's incoming strike by exploiting openings in their defense.