Mississippi Wheelbarrow
Your partner stands on his/her hands, and you grab his/her ankles facing backwards. Then you proceed to deficate inside of your partner's anal cavity, and walk them around on their hands.
Greg, "Hey cindy, how bout a mississippi wheelbarrow?!"
Cindy, "Sure i love $h!t in my @$$!"
Cindy, "Sure i love $h!t in my @$$!"