Bollock

His bollock caused him to miss his flight, and he had to rebook.

He made a bollock by pouring salt instead of sugar into the cake mix.

The student realized they made a bollock after submitting the wrong assignment.

That politician is a complete bollock, I wouldn't vote for him.

The comedian's joke fell flat and he was left looking like a bollock.

The doctor diagnosed him with a swollen bollock.

The company's new product was a complete bollock.

Thanks for being such a great bollock, I don't know what I'd do without you.