Joke Editor's Dictionary #4:

Hollywood - n. - The only place on earth where you can be fired by a man wearing a Hawaiian shirt and a baseball cap - Steve Martin
Humans - n. - The only creatures on earth that allow their children to come back home - Bill Cosby

Internet - n. - The death of the idea that your cat was special or that your dad was the only one who said Tar-jay - Alison Agosti