When you are on Facebook for 5 hours and you finally log off, pull out, and that rush of blood and oxygen come back to your head and the world around you looks brighter and more alive.

That sensational feeling you get when you see that someone has commented on your facebook wall, like an orgasm except in your face.

When you encounter a fine piece of ass and your face gets all hot, turns bright red, and starts tingling from the neck up. Generally accompanied by uncontrolled giggling, inappropriate noises, or altogether foul language of a sexual nature.