biggy
(noun)
noun
1. (colloquial) Something big in size in comparison to similar things.
- The wardrobe is the biggy – we'd better move that first.
2. (colloquial) Something impressive in comparison to similar things.
- Here's the biggy – she's only getting divorced!
3. (colloquial) big deal, usually in used in the negative.
- Dude, I forgot to return your book!
- No biggie, I don't need it for another week.