NOUN. The act of going at it with a girl from behind (doggie style) whilst slapping her on the ass only after kicking her in the leg or arm (your preference) making her a "gimpy horse".
Fucking seabiscuits, dawg...leave your girlfriend's ass as red as her leg...HAHA!
by McSteamy January 07, 2007
When you are fucking a chick from behind and you are about to cum you neigh like a horse nice and really loud, so as to cause some sort of confusion so that she looks back at you and then you cum in her face.
Man, you should have seen that bitches face when my seabiscuit blasted her in the face
by markey121 September 30, 2010