pool ball stew
Sometimes all or most of the pool balls on the table become clustered into one large group, making it nearly impossible to make a shot. In this case, you may need to use your turn just to "mix them up" or spread them apart, and thus stirring the pool ball stew.
All of the remaining pool balls on the table were blocking the right corner pocket. I therefore had to use my turn to mix up the pool ball stew, so that I could have a clear shot my next turn.