The exhausting, maddening feeling when you're stranded at home waiting for the UPS guy to deliver your package. Symptoms include dozing off, hearing phantom diesel engines, restlessness, and a constant fear of leaving your waiting spot lest the UPS truck roll by while you're gone.
A: "Hey, B, you seem stressed out. Why don't you get out of the house and come see a movie with us?"
B: "I can't. I'm waiting for UPS to deliver a package, and it's giving me some serious Brown's Syndrome."