"You think you're so perfect, don't you?" he asked.
"Well duh, I am! Not one hair out of place, perfect teeth, perfect manners."
Kyle smirked. "Oh, you think so? Well let's just see about that. I dare you to become horny or aroused everytime you or someone near you farts. You will get more and more aroused until you orgasm everytime gas is passed in your vacinity."
Jennifer gagged. "That's so gross!"
"And it gets better. For your transformation, you will become a gassy girl who can't help but let it rip whenever you feel the urge to fart. You will do it without thinking in any situation, public or private."
Horrified, Jennifer was unable to speak as she felt a tingle pass through her body.