What is it?

A really old game that everyone who is anyone knows how to play it. If you are one of the odd ones heres how to play: i have a word that you have to guess you only guess 1 letter at a time if you get a letter wrong i get to put 1 pat on Brians body parts up like arms leds head ect.... ok you get to play my game now! YEAH BABY YEAH!~~