whizbang

See also:whiz-bang

English

Etymology

whiz+‎bang

Noun

whizbang(pluralwhizbangs)

1. (dated)A type offireworkthat made awhizbeforeexploding
2. (dated)A smallartilleryshell
   • World War I:Trench Songs,Oxford University

     Hush, here comes a Whizzbang

3. (by extension)Someone or something that holds an explosive amount of success, skill or effectiveness.
   • c.1967,Evening Standard:

     She [Agatha Christie] has produced awhizzbangsurprise which I am unable even to hint at without spoilsporting.