1 definition by Who knew
A slut that has been ridden by lots of men, much like a horse that has been ridden by lots of people. It's not a term used to describe looks (see horse faced slut). All horse face sluts are horse sluts, but not all horse sluts are horse faced sluts. It's never a good idea to brag about sleeping with a horse slut since most everyone already has and since it means you more than likely caught some crotch funk.
Person 1: Dude, you didn't sleep with Amanda, did you?
Person 2: Of course I did!
Person 1: Dumbass...she's a horse slut. Enjoy the herpes.
Person 2: What? FFFFFUUUUUUUUUUUUUUUU.
Person 2: Of course I did!
Person 1: Dumbass...she's a horse slut. Enjoy the herpes.
Person 2: What? FFFFFUUUUUUUUUUUUUUUU.
by Who knew March 28, 2013