cock-up

Etymology
.

Noun

 * 1)  A mistake.
 * 2)  A superior letter.  A lower-case letter placed above the baseline and made smaller than ordinary script; traditionally used in abbreviations.
 * 3)  A roll or twist of hair worn at the nape of the neck; a bun.
 * 1)  A superior letter.  A lower-case letter placed above the baseline and made smaller than ordinary script; traditionally used in abbreviations.
 * 2)  A roll or twist of hair worn at the nape of the neck; a bun.
 * 1)  A roll or twist of hair worn at the nape of the neck; a bun.

Synonyms

 * (mildly taboo slang), foul-up, fuck-up (taboo slang), screw-up (slang)