One who hasn't expierienced anything remotely sexual such as one's first kiss or even had a relationship. Typically an insult, in referance to one's innexpierence or hardships finding a signifigant other.
"I wish I could get myself a girlfriend, I'm a senior in college and still havent had my first kiss!"
"Haha, you're still a Super Virgin!"
"Shut up! That's not funny!"