biggy

/ˈbɪɡi/
noun
  1. An important person or thing; a big deal.
    • The CEO is a real biggy in the company.
    • Don't worry about that mistake; it's not a biggy.
    • This project is a biggy — it could make or break our year.
What does "biggy" mean? | whatsthatwordmean | whatsthatwordmean