Wiktionary
silly goose
n. Silly person.
Usage examples of "silly goose".
Roland had never called her a silly goose, and by God she didn't mean to give him cause to do so n—.
Her pa's madder than a wet hen, both at Carol Alice for being such a silly goose to believe that stuff, and at Madam Celeste for saying it in the first place.
Roland had never called her a silly goose, and by God she didn’.