cockup

noun

1. 1.(mildly) A mistake.
2. 2.A superior letter. A lower-case letter placed above the baseline and made smaller than ordinary script; traditionally used in abbreviations.
3. 3.A roll or twist of hair worn at the nape of the neck; a bun.
4. 4.A hat or cap worn turned up in front.
5. 5.A large edible fish of India (Lates calcarifer); the begti.