Something that is incredibly funny, where you laugh at something so hard, that your laugh is no longer a laugh. But it is more of a gasping for air and a struggle of failing to receive oxygen. This can last for 1-5 minutes. Side effect of Laffriot'ing are stomach cramping, cheek cramping, red face and light headedness.
Did you see that fat kid get hit in the face with that ball? I could see his chin fat make a wave formation all the way to the back of his head, it was a laffriot.