(informal) One who dampens fun; especially, one who declines to participate in or enjoy a party or some other group activity; one who does not agree with the opinions of a group.

A group of people assembled to carry out a military attack.

Politics that is dominated by rivalry between political parties

A sleepover; a party where people stay and sleep overnight.

(US, idiomatic, dated) An execution by hanging, especially a lynching.

A celebration, held in a parking lot, with picnic food served out of the back of automobiles or pickup trucks.

(Canadian politics) A provincial political party in Quebec, Canada, with the central goal of some form of political independence or sovereignty for Quebec.

Alternative spelling of Parti Quebecois — the Parti Québécois

Of or relating to a third party.

(video games) To intervene in a fight between two players or teams, often allowing one to easy defeat both (sometimes seen as unfair).