1 definition by Hornshark
An oversized, massive clitoris that is so big that it can be frightening and occasionally mistaken for a male organ. It has been known to make grown men run for their lives.
Man, I got Cindy's pants off, dude, and started rubbing her crotch and she got a guinea horn that jumped up and sprang to life! Scared the crap outta me!
by Hornshark May 5, 2006