• synonyms


noun British Informal.
  1. a party or lively gathering, usually including dancing.
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Origin of knees-up

by ellipsis from Knees up, Mother Brown a popular dance, originally a song with the same title (1939)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for knees-up


noun plural knees-ups
  1. a boisterous dance involving the raising of alternate knees
  2. a lively noisy party or celebration, esp one with dancing
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Word Origin for knees-up

C20: from the song "Knees up Mother Brown" to which the dance is performed
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012