Bill insisted on paying."If you don't let me pay, I'm going to sleep in the cab." Suit yourself, but if you do, you're going to miss out on all of thi...."With that, when I saw that no one was looking our way, I stood up, placed my hands behind my head and flexed, expanding my chest to its maximum.I looked at the shocked expression on his face and the growing bulge in his pants, laughed, and walked out leaving him with the check."I'm going to get you for that," he said when he finally climbed. As I sucked on her swollen clit. I let go of one of her legs and I took my middle finger and started rubbing it on her taint, pushing in on it ever so slightly.”Fuck yes ah ah ah mmmm.” As she squeezed my head with her thighs. I picked my head up to catch my breath a little while running my fingers up and down her soaking wet pussy. I could see her head back eyes closed and panting trying to catch her breath. I slowly dipped my finger in her pussy, feeling her insides, she was some what tight. They looked me up and down and smiled. As they passed and went up the stairs, I could hear them whisper and giggle. This was not unusual. It was then, when they were near the top of the staircase, did I notice that neither of them had underpants on. They turned around at the top of the stairs, saw me looking at them and giggled. With a mischievous grin on their faces, they gave me a quick flash and raced off into my sister's room. I stared in their direction for a few minutes, turned. The whole thing seemed crazy to me but I played along. Over the next few days I teased him over and over again. I walked around the house half naked, rubbed up against him and pinched his nipples each time we got close I would dipped my finger in my pussy and put it under his nose so he could just smell me. The whole thing was driving him nuts and soon he was begging me to unlock him. I decided to keep him locked up for a few days just to show him that you should be careful what you ask for,.