Definition of "knees-up" []

• A party. (noun)

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• "There's almost no national ailment that he feels can't be solved, or at least distracted from, by taking off his suit jacket, loosening his tie and suggesting a good old-fashioned knees-up."
• "The sonically lubricious Gillespie, meanwhile, played with Grinderman once, when Warren Ellis curated one instalment of All Tomorrow's Parties, the hallowed outsider-indie knees-up by the sea."
• "At the other end of the spectrum, are the parents who insist they won't expect much and that it's just a good excuse for a knees-up."