More on Green Goose from Infoplease:

• Green Goose - Green Goose (A). A young goose not fully grown. Source: Dictionary of Phrase and Fable, E. Cobham ...
• Green - Green Young, fresh, as green cheese, i.e. cream cheese, which is eaten fresh; green goose, a young ...
• William Shakespeare: Love's Labor's Lost, Act IV, Scene III - The king he is hunting the deer; I am coursing myself: they have pitched a toil; I am toiling in a pitch,—pitch that defiles: defile! a foul word. Wel
• Dictionary of Phrase and Fable: G - Definitions, origins, and illustrative excerpts for words, phases, and literary allusions starting with "G"