drop a bollock
vulgar slang To mess something up; to make a particularly egregious error. Primarily heard in UK. That new intern is totally useless, he's always dropping a bollock on important projects. That player really dropped a bollock during the match yesterday.
kick bollocks scramble
A wild, chaotic, or panicked situation, especially among or involving many people simultaneously. Primarily heard in UK. With funding from local councils spread so thin these days, it's always a kick bollocks scramble in December for charities to meet their yearly quota with donations. The whole pub descended into a kick bollocks scramble after one bloke threw a punch at another.