Meaning

3 senses
  1. (Commonwealth, mildly, slang, vulgar)A mistake.

  2. (Ireland, UK, obsolete)A superior letter; a lower-case letter placed above the baseline and made smaller than ordinary script; traditionally used in abbreviations.

  3. (Scotland, obsolete)A roll or twist of hair worn at the nape of the neck; a bun.

Origin

First definition is a deverbal from cock up.

First definition is a deverbal from cock up.

Wiktionary, CC BY-SA 4.0 · source

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