The act of sticking your penis into a pregnant woman's
vagina (preferably sooner rather than later for more ease), and using it as a
vacuum to get rid of the fertilised egg. Often a last resort when no contraception was used, and abortions are out of the
picture.
Michael:
Dude, I banged her so
hard the other night, I came inside. It was great.
John: WOAH! Is she on the pill then?
Michael: Nah, I unsexed her the next day.
Linda: What can I do to get rid of the baby?
Doctor: If you can't afford an abortion, you can get your
boyfriend to unsex you instead.