D defs.my
Entry 1 sense Webster, 1913

Cahoot

/kəh-o͞ot'/ · Ca·hoot · IPA /kəˈhut/
01 n. Partnership; league; as, to go in cahoot (or in cahoots) with a person. Usually used in the plural, and in modern usage often used to impl…
  1. 1.
    Partnership; league; as, to go in cahoot (or in cahoots) with a person. Usually used in the plural, and in modern usage often used to imply that the joint effort is unethical, shady, questionable, or illegal; as, a shill in cahoots with a pickpocket, to serve as a distraction.[Slang, southwestern U. S.]