1) Adult female 2) Beauty 3) Big surprise 4) Bombshell 5) Dish 6) Female supervillain 7) Head turner 8) Hottie 9) Huge surprise 10) Knockout 11) Looker 12) Lulu 13) Major upset 14) Mantrap 15) Peach 16) Professional wrestling move 17) Ravisher 18) Real beauty 19) Real head turner 20) Really brilliant achievement 1) Beaut 2) Beauty 3) Bombshell 4) Eyec 5) Lulu 6) Mantrap 7) Taser 
[professional wrestling] A stunner is a common term in professional wrestling referring to the seated three-quarter facelock jawbreaker maneuver. Jimmy Garvinof the Fabulous Freebirds performed the move in the mid 90`s and called it the 911. It was then popularized by Stone Cold Steve Austin and named for his Stone Cold Stunner finisher. It...[weapon] A Stunner is a general term for a science fiction weapon that is designed to temporarily impair the motor and/or cognitive functions of a living being, usually by rendering it unconscious, but otherwise unharmed. The most famous examples of this kind of weapon include: ...
• (n.) One who, or that which, stuns. • (n.) Something striking or amazing in quality; something of extraordinary excellence.
Stun'ner noun 1. One who, or that which, stuns. 2. Something striking or amazing in quality; something of extraordinary excellence. [ Slang] Thackeray. 
Stunner is slang for exceedingly attractive.
[n] - an unexpected and amazing event
noun an unexpected and amazing event; `the stunner was what happened on Saturday`
a person or thing that stuns. · a person or thing of striking excellence, beauty, achievement, etc.