cock–up 
/ˈkɑ:kˌʌp/ noun
plural cock–ups /ˈkɑ:kˌʌp/ noun [count] Brit, informal : a situation that is complicated, unpleasant, or difficult to deal with because of someone's mistake
▪ an administrative/bureaucratic cock-up [=mess] — see also cock up at 2cock
▪ an administrative/bureaucratic cock-up [=mess] — see also cock up at 2cock
