biggy

noun4

1. •
   (informal) Something large in size in comparison to similar things.

   • The wardrobe is the biggy – we'd better move that first.
2. •
   (informal) Something impressive in comparison to similar things.

   • Here's the biggy: she's only getting divorced!
3. •
   (informal) Big deal.

   • - Dude, I forgot to return your book! - No biggie: I don't need it for another week.
4. •
   (informal) A person of importance or power, especially in the entertainment industry.