A group sex event where participants' car keys are randomly handed out, determining which couples will have sex.

(idiomatic) boring or pedantic

(South African politics) Short for South African National Party. / (Australian politics) Short for National Party of Australia. / (New Zealand politics) Short for New Zealand National Party.

(for children) Synonym of slumber party / (for adults) A party at which men wear pyjamas and women wear nightdresses (typically, there is a certain amount of sexual activity)

Exhibiting party spirit.

A feeling or sense of celebration or enjoyment.

An organised group of workmen or workers performing a task together. / A social gathering at which the attendees work, such as a barn raising.

A small, bite-sized pasty.

plural of party jury

(historical, law) A jury consisting half of natives and half of aliens.