the most basic and important facts of something.

We didn't actually get down to the nitty-gritty (= start to talk about the most important facts) until half way through the meeting.

• get soaked to the skin
• get someone back on track
• get someone into bed
• get someone into hot water
• get someone off back
• get someone off the hook
• get someone off your back
• get someone out of a hole
• get someone out of a rut
• get someone out of a their rut
• get someone out of their rut
• get someone's
• get someone's ass
• get someone's back up
• get someone's hopes up
• get some stick
• get something back on track
• get something off chest
• get something off the ground
• get something off your chest
• get something out of a rut
• get something out of a their rut
• get something out of mind
• get something out of system
• get something out of their rut