Bump around is a colloquial term that refers to moving in an aimless or unorganized manner. It can also indicate a state of confusion or being unsure of what to do next. As a phrasal verb, it can have a variety of synonyms that convey similar meanings, including wander aimlessly, drift, meander, roam, and ramble. Other options like flounder, stumble, and fumble indicate a lack of direction or control, while words like muddle, dither, and vacillate suggest indecision or confusion. Ultimately, the choice of synonym will depend on the context and tone required, but each option can help to add variety and nuance to your writing.