ride the horsey
A sexual act where the women is on top and rides the horsey (aka stud).
The man says "I have been on top for 15 minutes. If I lay on my back will you crawl on top and ride the horsey?"
riding my horsey
A female masturbating with a dildo or butt-plug. Designed to sound innocent.
Girl: What you doing when you get home?
Girl 2: Going to be riding my horsey.
Girl: heyyy me too
*high five*
Girl 2: Going to be riding my horsey.
Girl: heyyy me too
*high five*