While participating in anal sex, punch your partner in the back of the head. At this exact moment pull out as hard as you can when the rectum seizes your snausage. With any luck the rectum will be pulled out. Now just walk backwards slowly while you "Roll out the red carpet."
Rolling outthe white carpet is the act of covering a toilet seat in toilet tissue to prevent contact between the buttocks and the seat. Often a done thing in dirty / public toilets.
Four separate strips of paper are torn from the roll and placed on the seat to form a square shape covering the entirety of the seat.