Turn On
I love to read between the lines of expression, to pick up on what is meant, but not necessarily being said. Body language, tone of voice, eyes, touch, all in the context of playfulness. Words are a major turn on, especially when they are not overt or direct. Also I think laughter in any context, is an aphrodisiac.
Turn Off
I'm constantly looking for new experiences. That being said, there aren't many things that I genuinely dislike, as I prefer to see everything as an opportunity to learn, to gather experience.