The phrase "bash about" is often used colloquially to describe rough handling or mishandling of an object or situation. However, there are a number of synonyms which can replace "bash about" and convey a similar meaning. Some alternatives include: rough up, roughhouse, handle haphazardly, treat carelessly, mishandle, manhandle, thrash, batter, jostle, and wrestle. Each of these phrases can be used based on the specific context of the situation, but they all convey a similar sense of energetic, clumsy, or careless treatment. When searching for a synonym for "bash about," consider the subtleties of the context and choose the phrase that best fits the situation at hand.