We all remember it, don't we?
Visitors are due to arrive tomorrow at 1400 hours and your Mother is up to high dough; can you see your reflection in the kettle/ are the bathrooms gleaming and are the floors crumb-free?
Panic
You'll have probably be subjected to a lot of hoovering and other household tasks that make your blood boil, and chances are a few rows have erupted throughout the process.