nail (someone) down (on something)(redirected from nail them down on)
nail (someone) down (on something)
To establish or determine some specific details or information (about something) with someone. I'd like to nail them down on the dates so I can start looking at ticket prices for flights. Has anyone been able to nail the janitor down on the cause of the electrical failures?
nail someone down
(on something) Go to pin someone down (on something).
nail something down
1. to secure something down by nailing it. Please nail the floorboard down or someone will trip over it. I'll nail down these floorboards.
2. Go to pin something down.
Establish conclusively, as in The reporter nailed down the story by checking all the facts. This metaphoric expression alludes to fixing or fastening something down with nails. [c. 1600]
1. To secure something or make it unable to move by driving nails through it and into another object: On the passenger ship, the workers nailed the tables down so that they wouldn't slide around during the storm. We examined the deck and nailed down all loose boards.
2. To specify or fix something: After months of evading the question, the candidate finally nailed down her position on the war. We can't release the schedule until we've nailed it down.
3. To discover or establish something conclusively: The reporter nailed down the story by checking all the facts. We looked for the source of the problem but couldn't nail it down.
4. To win something decisively: She nailed down her sixth win of the season with a birdie on the 18th hole. We nailed the top spot down by defeating the two best teams in the league.