to hit the book = to study
It’s been about 30 years since I hit the books on this stuff, so can not longer give you the math without looking it up.
to hit the jackpot = to win (or to be successful)
I think we hit the jackpot with the advertising — our sales have doubled.
to hit the deck = to fall down or to drop down
There was two young ladies in here, and they saw people with guns run by the windows and they hit the deck…
to hit the road = to start one’s journey
The next morning we hit the road. We tended to drive about 10 hours a day, starting around 8 a.m., and by dusk we would find a small hotel…