gim·crack (jĭm'krāk') n. A cheap and showy object of little or no use; a gewgaw. adj. Cheap and tasteless; gaudy: "The shelves groan with an array of gimcrack gifts from fans: a stuffed piranha fish ... a ceramic ... bull, a papier-mâché replica of an Apollo moonwalker"(Harry F. Waters).
[Possibly alteration of Middle English gibecrake, small ornament.] gim'crack'er·y n.