ˈstənə(r) noun
( -s )
: one that stuns: as
a. : something that amazes or astounds ; especially : an unexpected event or development
the stunner was what happened … on Saturday — G.F.T.Ryall
b. : a person or thing of unusual qualities or attractiveness
the flashiest kind of girls — genuine stunners — R.L.Taylor
would make a stunner of a table decoration — New Yorker