They say that imitation is the greatest form of flattery.
Little kids do it all the time. They see someone doing something and become their greatest copycat, or they'll hear some words adults don't want them to and all of a sudden it's the only thing they'll say. It can be a real problem when dealing with little ones.
One little girl in the U.K., however, is content to mimic her Jack Russell terrier, Frank. He starts howling and I bet you can guess what comes next.