Gimcrack (1760 – after 1777) was an English thoroughbred racehorse.
A showy trifle, a toy; a showy trinket, ornament or decoration. from 15th c.
Showy; unreal; pretentious.
Showy but of poor quality; worthless.
Something showy but worthless; a gimmick or bauble.
To put together quickly and without much care; to bodge.
To embellish with gimcracks.