stunner

IPA: stˈʌnɝ

(colloquial) Anything that is stunning.
(colloquial, variant spelling "stunna") A woman of stunning beauty (often hyperbolically), a knockout.
(professional wrestling) A 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.
(science fiction) A pistol firing a beam capable of stunning an enemy.
A person or machine that stuns an animal before slaughter.

Examples of "stunner" in Sentences

The stunner is the differential with Independents.
The stunner is how little 3B Edgardo Alfonzo has contributed.
Another stunner is the $750,000 SSC Ultimate Aero, a 1,287-bhp racer made by Shelby Super Cars in Tri-Cities, Wash.
They name her Deborah, but the biggest stunner is seeing her self in a mirror; she was not Comanche, but instead white like her hosts.
Another stunner is the Schramsberg Brut Rose, made in Napa Valley primarily of Pinot Noir grapes but is then balanced with Chardonnay.
Unless a search engine belches out an earlier usage, that’s a coinage stunner: it was Hollywood that invented the latest sense of cleavage.
The closest thing my mother and I could agree upon (no mean feat mother daughter agreement) … was a unique gown at a consignment store in Kerrisdale, reported to be the erstwhile property of some Senator’s wife a stunner from the 50’s.