hole-in-the-corner
Shady and secretive, typically to hide illicit activity. Primarily heard in UK. You can be sure there's some hole-in-the-corner activities going on in that private club. A: "Use this cell phone if you need to contact me." B: "Wow, OK, so we're going full hole-in-the-corner with this investigation, huh?" I know I said I wanted to meet you in private, but you didn't have to be so hole-in-the-corner about it. A parking garage isn't what I had in mind.
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.
hole-in-the-corner
or hole-and-corner
BRITISH, OLD-FASHIONEDIf you describe an activity or an event as hole-in-the-corner or hole-and-corner, you mean that it is kept secret, usually because it is dishonest or shameful. You deserve better than a hole-in-the-corner relationship like this. His visit was a hole-and-corner affair, and treated like a guilty secret.
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012