1. When one uses a restroom and there are either no paper towels or a hand dryer, so he or she just uses his shirt as a substitute. In the ideal situation, a colleague or employee is using the bathroom the same time as you and you can use their desperation towel.
Jake: "Hey bra! What ya up to?"
Brian: "I'm waiting for Bill to use the bathroom so I can use his Pink shirt as a desperation towel."