(rare) One who attends an orgy; an orgiast.

any disorder of mental function due to physiologic (organic) causes rather than mental causes

Alternative form of mouth organ

plural of organic brain syndrome

Alternative spelling of United Nations Organization.

(US, Canada) One who leads other people who live in proximity to each other or share some common problem into an organization that acts in their shared self-interest.

An organization with a focus upon providing activities and socialization for young people.

Synonym of couldn't organise a piss-up in a brewery

Alternative spelling of barrel organ

plural of organ-grinder