Synonyms for Whiz-bang:

• adj.

  •boss (adjective)
  • champion,
  • fine,
  • capital,
  • first-rate,
  • top,
  • excellent,
  • wonderful.

• Other synonyms:

  •adj.
  • whiz-bang,
  • boss,
  • whizbang,
  • bang up,
  • bang-up.
  •n.
  • master.