Having the wallpaper and carpet both red.

when you hit the end button twice on your cell phone to make sure that the caller is disconnected.

Two people back to back linking their arms together, one person then bends forward until parralel to the ground. Second person lays on that persons back lifting their legs straight up forming a straight line with the persons legs you're lying on. If you have no clothes on then you would be performing the double inverted red eye.

It's what happens when you get out of a long hot shower, and your dog just so happens to lick your saggy asshole - and you turn your back of course since you are in utter disgust by the situation, but can't help being somewhat aroused.. So you turn around again and let your dog go to town.

when you perform this you will have reached the highest echelon of the sexual pantheon