The story
UK 20th century. From the song "Knees Up Mother Brown" (from at least 1918; published 1938). Suggesting the motions of dancing.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A party. Full definition →
UK 20th century. From the song "Knees Up Mother Brown" (from at least 1918; published 1938). Suggesting the motions of dancing.
Etymology from Wiktionary, CC BY-SA 4.0.