Oklahoma threesome
An Oklahoma threesome involves a man, a goat and a pony. It usually involves the man having anal sex with the goat while the pony performs a rimjob on the man.
Ma caught shitty Bill having an Oklahoma threesome in the barn. He was feeding to the goat while the pony licked his heiny.
Oklahoma threesome
An Oklahoma threesome is in reference to the legal allowance by Oklahoma for first cousins to marry and procreate. However, this sex move has a couple requirements. First of all it involves having sex with a pregnant woman. Second, this woman must be either related to you, or your wife. Thereby, having sex with this woman you are also involving a third member of your blood family in a sexual exploit of yours. Thus, you are engaging in incest with not only one, but two members of your family.
I done got my ma's sister's daughter knocked up a few months back, but she reckons she wanted twins. So I told her a quick Oklahoma Threesome should do the trick and we'll jus' get another lit'l bugger up 'n growing inside her right quick.