knees-up

[ neez-uhp ]
/ ˈnizˌʌp /

noun British Informal.

a party or lively gathering, usually including dancing.

Origin of knees-up

by ellipsis from Knees up, Mother Brown a popular dance, originally a song with the same title (1939)

Words nearby knees-up

British Dictionary definitions for knees-up

knees-up

noun plural knees-ups

a boisterous dance involving the raising of alternate knees
a lively noisy party or celebration, esp one with dancing

Word Origin for knees-up

C20: from the song "Knees up Mother Brown" to which the dance is performed