Meaning: This sentence describes a parrot imitating humorous phrases spoken by people.
Choice of Words: The choice of "Polly" as a name is inspired by the famous poem "Polly Put the Kettle On." "Mimicked" means to imitate or copy someone's behavior, while "funny" means causing laughter or amusement. "Human" refers to people, and "words" are the units of language we use to communicate.