you will be (so|) lucky
1
used to emphasize the fact that someone's expectations or wishes are very unlikely to be fulfilled
- You’ll be lucky!
- Sure, procrastinate until the night before the exam, and you will be so lucky to even pass.
- Leave your car unlocked again, and you will be so lucky if it's still there in the morning.
- Forget sunscreen at the beach, and you will be so lucky if you don't turn into a lobster.
- Miss all your classes, and you will be lucky if you magically ace all your exams.