a lethal technique / a fighter's finishing move, ultimate technique, or coup de grâce, often in contexts such as pro wrestling or video games

other person / partner / opponent

an instant / moment

lethality, deadliness

fell; throw down; knock down; cause something upright to become horizontal / kill / defeat / overthrow / avoid paying (a debt)

to a great extent

technique, art, skill

(judo) yuko, points or the judge call to the points in judo match. Fewer points to ippon.

skill / technique

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend