Wiktionary
n. A fool; a dolt.
Usage examples of "goosecap".
And just like her goosecap of a granddaughter, flaunting her humble country origins.
Nina had protested, feeling she should drive the caravan since it was her fault they had all been turned out, but Iven simply told her not to be a goosecap, and to get in and comfort Roden, who was wailing in the thin, high tone used by very tired young children.
Lady Widmore, declaring that she was in stitches, said that any kidnapper who thought to wring a groat out of a family that had not a feather to fly with must be so bottleheaded that even such a goosecap as Hester would be able to escape from his clutches.
In addition to staving off esthetic nightmares, I must entertain a society larded with courtcards, goosecaps, and totty-headed rattles.
The Viscount, never one to waste his time over lost causes, abandoned his promising scheme, merely remarking that of all the troublesome goosecaps he had encountered his sister bore away the palm.