Frankenstein's monster a thing that becomes terrifying or destructive to its maker.

☞ Frankenstein was the title of a novel written in 1818 by Mary Shelley. The scientist Frankenstein creates and brings to life a manlike monster which eventually turns on him and destroys him; Frankenstein is not the name of the monster itself, as is often assumed.

1991John KingdomLocal Government & Politics in Britain The factories of the bourgeoisie had created another dangerous by-product, a Frankenstein's monster posing a constant sense of threat-the working class.