hole-and-corner

Adjective hole-and-corner has 2 senses

• hole-and-corner(s = adj.all) hole-in-corner - relating to the peripheral and unimportant aspects of life; "a hole-and-corner life in some obscure community"
• hole-and-corner(s = adj.all) clandestine, cloak-and-dagger, hugger-mugger, hush-hush, secret, surreptitious, undercover, underground - conducted with or marked by hidden aims or methods; "clandestine intelligence operations"; "cloak-and-dagger activities behind enemy lines"; "hole-and-corner intrigue"; "secret missions"; "a secret agent"; "secret sales of arms"; "surreptitious mobilization of troops"; "an undercover investigation"; "underground resistance"