A fork of Rural Dictionary
When a woman gives head so bad that it feels like sandpaper and worms.
We were at a stoplight right, and she went down, and i had to tell her to stop. After i told her she was giving horse head, she got out and found a tool in less then 6.29 minutes.
When something is very unlikely to happen or unbelievable.
That's so crazy it's like a horse's head going down the drain.