What is Feed The Horse?
1.
To indulge in 
Did you get anywhere with that ho last night? Feed the horse?
Yeah! I fed the horse. (motions with hand)
See 
2.
to stick your fingers in someone elses orifice
"last night i fed Robin Chrystie's horse with my stinky pinkie" Bernie Klein 2004
Random Words:
1. 
1.  Acronym for whatever you want it to mean...most commonly used is for What the Fuck?
1.  But I thought the french fries were suppose..