From Google; "Silly goose" is a lighthearted, informal expression used to describe someone who is acting foolish, silly, or has made a silly mistake. It is a p

From Google; "Silly goose" is a lighthearted, informal expression used to describe someone who is acting foolish, silly, or has made a silly mistake. It is a playful term that is not meant to be offensive and is often used affectionately. The phrase can also refer to a "silly person" or "simpleton" in an informal context.