enzuigiri (kick to the back of the head)
A professional wrestling move; a kick that strikes the back of the opponent's head. Also written 延髄斬り.
See also: 延髄斬り
He won the match by landing an enzuigiri.
Compound of 延髄 (medulla oblongata, here referring to the back of the head) and 蹴り (kick).