" There were three games that had been making the rounds at parties recently.

Daisy-chaining meant having sex like a conga line; you'd do it with a guy, who'd do it with some girl, who'd do it with another guy, and so on, until you made your way back to the beginning.

During Stoneface, a bunch of guys sat at a table with their pants pulled down and their expressions wiped clean of emotion while a girl huddled underneath giving one of them a blow job and they all had to try to guess the lucky recipient.

Rainbow was a combination of the two. A dozen or so girls were given different colored lipsticks before having oral sex with the guys, and the boy who sported the most colors at the end of the night was the winner. "

― Jodi Picoult , The Tenth Circle