swack-up

noun

A lie; a falsehood.

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Meanings

nounswack-up (plural swack-ups)

plural swack-ups

  1. UKdatedschool slangA lie; a falsehood.

Synonyms & antonyms

Also see
lie

Origin

UK c. 1860s. Used at Christ's Hospital School, Sussex.

Full word history & related roots →
Cite this entry
APA

swack-up. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/swack-up

MLA

“swack-up.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/swack-up. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “swack-up,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/swack-up.

Source: swack-up on Wiktionary, CC BY-SA 4.0.