noun
unfaithful adaptation; terrible spin-off
Slang used by fans to criticize an adaptation (film, anime, etc.) that drastically changes or disrespects the original work. Strongly negative and vulgar; not used in formal contexts.
あの映画は原作レイプだと言われている。
That movie is said to be a terrible adaptation that butchers the original.
ファンの間では、そのドラマ化は原作レイプだと批判された。
Among fans, that drama adaptation was criticized as a hideous spin-off.