Those colorful plastic bracelets popularized by Madonna and Avril Lavigne have taken on a risque new twist. The bangles convey a not-so-secret sexual code depending on their color, indicating different levels of intimacy starting from hugs. In a game some kids call Snap, they yank the rubbery bracelets from the wrists of fellow students to indicate which kind of sex they would like to have. Grabbing a red bracelet is asking for a lap dance, for example, and a blue one can mean oral sex. The code has even spread internationally.
In the U.S. the items are frequently referred to as...