The first person throws out a rock. The second throws out a pen. The third throws out a grenade.
Their car crashes and they survive the crash. Then, they all start walking back to get their valuable items.
The first man sees a little girl crying and asks her, "little girl, why are you crying? "The little girl replies, "someone threw a rock at me!"
The second guy sees a little boy crying and asks him, "Little boy, why are you crying? "The little boy replies, "someone threw a pen at me and poked me in the eye!"
The third guy sees a fat kid laughing really hard and so he asks him, "Hey kid, why are you laughing so hard?" The fat kid replies, "I farted and my house blew up."
joke from funnyville web site