Something badly botched or muddled.
1 Grunwald tried to be gentle but candid about the driver's license cockup : It wasn't great.
2 Those who cockup had better take out insurance.
3 It was a total ongoing cockup .
4 I'll do my best to pick you up in a day or two, if this cockup gets sorted by then.
5 Both the US and UK have their litany of favourite defence procurement cockups .
6 King and Crewe reckon that Labour and Tory governments are equally prone to cockups .
7 On the 14th he anchored in the straits of See Cockup (Si Kakap), which divide the Northern from the Southern Pagi.
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