She sat on my lap and I was surprised by it. Her nice plump ass rested against my crotch. I knew my erection was going to spring up and I tried to fight it but it was impossible. We were around all of our friends and we had been drinking all night. Jennifer and I would lock eyes from time to time during the night. She would smile at me and I would give her a shy smile back. She was very pretty with blond hair and light brown eyes.