Word.ws English Dictionary

swack up

swack up verb: to lie; to deceive; to take in.

Verb

swack up (third-person singular simple present swacks up, present participle swacking up, simple past and past participle swacked up)

  1. (UK, dated, school slang) To lie; to deceive; to take in.

Forms of swack up

third-person singular presentswacks up
present participleswacking up
past participleswacked up
pastswacked up

Origin of swack up

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

Questions about swack up

What does swack up mean?
Swack up means to lie; to deceive; to take in.
What part of speech is swack up?
Swack up is a verb.
What is the past tense of swack up?
The past tense of swack up is swacked up.

Words near swack up in the dictionary

  1. Swabue
  2. Swaby
  3. Swabys
  4. swachh
  5. swack
  6. swack up
  7. swack-up
  8. swack-ups
  9. swacked
  10. swacked up
  11. swacker

Source and license

Adapted from Wiktionary: swack up (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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