Swack-up

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
A lie; a falsehood. British, dated

Synonyms

alternative fact bullshit clanker cram fib lie

Etymology

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

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.