Demented

прилагательное [литературно-книжное] 1) [медицина] страдающий слабоумием 2) [используется в разговорной речи] ненормальный, чокнутый, сумасшедший Например: He threw himself out of the room like one demented. — Он выскочил из комнаты, как сумасшедший. Синоним(ы): crazy

Большой англо-русский словарь

Demented

adjective 1. mad, insane 2. suffering from or exhibiting cognitive dementia • dementedly adverbdementedness noun

Merriam-Webster's Collegiate Dictionary

Demented

Yet another term of disgust used to describe a program. The connotation in this case is that the program works as designed, but the design is bad. Said, for example, of a program that generates large numbers of meaningless error messages, implying that it is on the brink of imminent collapse.

Free Online Dictionary of Computing