When you put your arm between someones legs from behind and grab your wrist from the front, and proceed to lift the person and shake the person up and down until there testis look like a crushed grape, or their vagina looks like Bruce Jenner's fake twat.
I sneaked up behind Billy and gave him a russian hayride until his nut sack was like a bag full of pudding.
Choctaw Hayride is a perverse sexual position in which during the performance of doggy style, you insert your thumb in a woman's anus, and spread the remaining fingers out to resemble a head dress (Choctaw), and with the hand that's left free, you pull on her hair to simulate the reins of a horse (hayride).
Heybabe, do you want a portugese breakfast or a Choctaw hayride?