Black: Sexual Intercourse

Blue: Cocksucking

Blue, Alternate Meanings: Lap Dance

Green: Cunnilingus

Green, Alternate Meanings: Outdoor Sex, Hug

Clear: Anything Goes

Clear, Alternate Meanings: Hug

Orange: Kiss

Yellow: Hug

Yellow, Alternate Meanings: Rim Job

Red: Lap Dance

Red, Alternate Meanings: Make Out, Oral Sex

Purple: Anal Sex

Purple, Alternate Meanings: Holding Hands, Doggy Style Sex

Silver: Fisting (Highschool kids came up with this?)

White: Flash Your Tit

White, Alternate Meanings: Make Out

Pink: Flashing

Gold Glitter: Groping

Brown: Rim Job

Glow in the Dark: Sex using Toys (Strap-Ons, et al)