stunner

plural stunners

1. colloquialAnything that is stunning.
   1. colloquialA woman or man of stunning beauty or handsomeness (often hyperbolic), a knockout.

      She's a runner, rebel and a stunner / On her merry way sayin', "Baby, what you gonna—?"

      2006, “Dani California”, in Stadium Arcadium, performed by Red Hot Chili Peppers

2. governmentA professional wrestling maneuver in which an attacking wrestler applies a facelock to an opponent and falls to a seated position, forcing the opponent's jaw or neck to drop on the attacker's shoulder.
3. literatureA pistol firing a beam capable of stunning an enemy.

   March holstered his pistol, reached into his coat, and drew out his own neural stunner, shifting the weapon to his right hand.

   2018, Jonathan Moeller, Silent Order: Omnibus One

4. A person or machine that stuns an animal before slaughter.