A lonely man stagering out of the bar after last call spots his prey, a slender young female approx. 15 years of age, whom is about to be interforced for hours upon end.
The act of consuming food through your anus, rather than your mouth. In this twist, you would result in crapping out of your mouth instead of your anus.
"You see, food entering through the anus has the benefit of being broken down on its way to the stomach rather than afterward. And therefore I believe that interorectogestion would actually put a stop to high cholesterol and most kinds of stomach cancers. And I base that on absolutely nothing." -The Surgeon General from South Park
to protect someone esle from the attention or criticism due for a particular activity; To help someone in the performance of a task, but not directly assisting in the task.
From American Football where certain players are detailed to prevent the opposing team from tackling the palyer with the ball, by interfering with them.
a:"How am I gonna get these Playboys into the house while mom's there?"
b:"You go round the kitchen door, I'll run interference by showing her the job I did on the lawn"