Nobody likes when unwanted visitors just ‘stop by’ their house. Usually the perpetrators of an impromptu visit are judgy mother-in-laws, Jehovah's witnesses, girl scouts, and that one pyramid scheming soccer mom you can't seem to shake. To get rid of unwelcome guests, we've come up with smart ways to ward them off, usually starting with polite excuses and escalating our dismissals into snarkier, more underhanded jabs...