swack up

noun, verb — 2 senses

swack-up

nounalso spelled swack-up

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

UK, Dated A lie; a falsehood.

verb

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

UK, Dated To lie; to deceive; to take in.

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — authors: page histories for swack-up and swack up.