Funny Dirty Joke

there was two little boys playing down by the river. All of a sudden one boy ran up the river and peeked through the bushes. the other followed and peered with his friend. they were looking at a naked lady washing in the river. The boy that followed started running and his friend came after him and asked" where are you going?" the one boy that first ran said" my mom told me if i ever see a naked lady i will turn to stone. i felt something hard so i started running!"