1 definition by Kiiiiiikiiiiiiiii
A friend with whom you have sex with on the DL. More than likely, one of the sexoffrienders wants a relationship of deeper meaning with the other. Closely related to the Friend with Benefits.
"I totally slept with my best friend, Bob, but he hasn't even asked me on a date, yet," Cindy said to Tina. "Dude, he's totally your sexoffriender," Tina confirmed.
by Kiiiiiikiiiiiiiii December 6, 2008