Bollockses up is a vulgar term that means to mess up, to ruin a situation or to make a mistake. Unfortunately, there are many situations where a less vulgar term may be more appropriate and professional. Some synonyms for bollockses up include bungling, botching, flubbing, fumbling, snarling, muffing and tripping up. These words all convey the idea of making a mistake or causing problems without the coarseness of the original term. Additionally, using these synonyms will make it easier to communicate without offending anyone. It's important to choose the appropriate words in every situation to ensure clear communication and avoid any misunderstandings.