Indiana Two Step
When a male engages anal intercourse with a female and then ejaculates into the anus without telling her. The male then karate chops the female in the back of the neck and takes two steps to the left, causing her to shit uncontrollably.
"I tried to do the Indiana Two Step on your dad the other night but it didn't work."
"Yeah that's because you have to be fucking a girl."
"Yeah that's because you have to be fucking a girl."