haymaker
knockout punch
KO punch
Sunday punch

This was to be a swift and decisive knockout punch.

By and large, they still see their team as powerful Ol' Man River with the heavy knockout punch.

Neither did any of them deliver a decisive knockout punch.

Phoenix New Times believed that "despite the low volume, this album delivers an emotional knockout punch."

It was like a one-two knockout punch- the blow from the gun and his head hitting the carpet.

With no knockout punch, they settled on a split decision.

Female boxers are usually smaller and lack the power to deliver a quick knockout punch, so there may be more multiple blows during a match.

He brings little shading or dimension to the part, which calls for the actor to deliver an emotional knockout punch.

Game 2 in Philadelphia featured a six-run knockout punch of an inning.

Toshiba was obviously counting on a one-two knockout punch, but this judge scores it a split decision.