be in cahoots

be in cahoots

To be working together in secret, often with an air of unseemliness. Those two have been whispering all day. I wonder what they're in cahoots about. I think all of those kids are in cahoots because they're all on the surveillance video from the night of the robbery.See also: cahoots

be in caˈhoots (with somebody)

(informal) be planning or doing something dishonest with somebody else: Some people believe that the company directors are in cahoots with the government.See also: cahoots