You can try this experiment at home; just observe the safety measures when working with acetic acid and wear the protective gloves. As the acid dissolves the egg shell, you will get one useless but curious thing.
If you are ever considering drinking so much that you pass out, think again, especially if you are with a group of friends. This group of photos could have your face in them, and end up all over the Internet. At least this poor guy’s friends had a blast making fun of him.