Janet responded, "Just because I am aesthetically challenged (that's "politically correct" for ugly) doesn't mean I don't have to fight off unwelcome sexual advances."
Hillary asked, "Well,... how do you deal with the problem?"
"Whenever I feel that a guy is getting ready to make a pass at me, I muster all my might and squeeze out the loudest, nastiest fart that I can."
That night, Bill was already in bed with the lights out when Hillary slipped into bed. She could hear him start to stir, and knew that he would be wanting some action. She had been saving her farts all day, and she was ready for him!
She tensed up her butt cheeks and forced out the most disgusting sounding fart you could imagine.
Bill rolled over and asked, "Janet, is that you?"