Horseback

[Luis Fok]

An extended ridge of sand, gravel, and bowlders, in a
half-stratified condition.

[Luis Fok]

When you’re in doggy style ([standing up]) with a girl who has [long hair], split her hair into both hands. Then, with her arms pointing to you, grab her arms still holding her hair. Use them as [reins] like a horse to control her body.

[Sarah]

[Doing anal] on a [stairway] then punching the reciever in the back of the head to knock them out so you can ride their [unconscious] body down the stairs like a horse.

[Dave Paprocki]

Done while mounted on a horse.