A little boy went to his teacher to tell her he found a...

A little boy went to his teacher to tell her he found a frog. The teacher asked if it was alive or dead. The little boy said that it was dead. The teacher asked how he knew. The boy said , "I pissed in its ear." The teacher said, "You what?" He said, "You know, I went to his ear and said, 'psst!' and it didn't move. So it must be dead."