Two old ladies were waiting for a bus and one of them was smoking a cigarette. It started to rain, so the old lady reached into her purse, took out a condom, cut off the tip and slipped it over her cigarette and continued to smoke.
Her friend saw this and said, "Hey that's a good idea! What is it that you put over your cigarette?"
The other old lady said, "It's a condom."
"A condom?