Mae Gedan Shotei Uchi is a technique in Kyokushin karate. It translates to 'Front Low Palm Heel Strike.' This technique involves delivering a powerful strike with the palm heel to the opponent's lower body or groin region. The term 'Mae' refers to the front, 'Gedan' indicates the low level, and 'Shotei Uchi' refers to the palm heel strike. It is commonly used to target the groin or lower abdomen of the opponent with significant force.