It’s every host’s holiday nightmare – the house is beautiful, dinner is perfect and after the guests arrive, someone announces a clogged sink or toilet. The holidays are a prime time for this sort of domestic disaster because more people are in and out of your home and using your facilities. Unfortunately, sometimes what seems like a simple clog is really a sewer drain clog, and a flush with nowhere to go will end up in your sinks, tub, shower and floor. See the Signs of a Sewer Drain Clog.