A Man, A mother the elephant and the son.

A mother takes her little son to the zoo, they arrive at the elephant enclosure, the little boy says, hey mom what is that big thing hanging down from the elephant?
The mother replies, that is his trunk, the little boy says, no further back, the mothers says oh that is his tail, the boy says no mom, that huge thing hanging down underneath the elephant, the mother said oh that is nothing.

A month later the boy is with his father at the zoo, and they arrive at the elephant enclosure, and the boy says, hey dad what is that big thing hanging down from the elephant? The father replies that is his trunk son, the boy said no further back, the father said that is the elephant?s tail, the boy said no dad, what is that large thing hanging down underneath the elephant? The father said why do you want to know? The boy said well last time I was here with mom, she said it was nothing, the father looks at the son and said, that is the problem with your mother, she has always been spoiled.