Today we learned a new sex-related slang term, "air sex," thanks to a National Enquirer story that alleges Katy Perry found out ex Russell Brand was doing it. Air sex, which is having "sex" with an invisible person, is the latest in a slew of creative dating, relationship, and sex jargon popping up in the last few years. Whether these sexy words have made it into news stories or are just signs of the dating times, here are some suggestive slang terms you may not know about. Take our quiz to see if you are on top of your modern sex slang game! Let's start with solodex — do you know what the term means?