brain-damaged

English

Etymology 1

brain +‎ damaged

Adjective

brain-damaged (comparative more brain-damaged, superlative most brain-damaged)

1. Suffering from an injury to the brain.

Etymology 2

Generalization of “Honeywell Brain Damage” (HBD), a notional disease invented to explain certain poor design decisions in Honeywell Multics.

Adjective

brain-damaged (comparative more brain-damaged, superlative most brain-damaged)

1. (computing, slang, derogatory) Poorly designed; obviously wrong.

   Synonyms: cretinous, demented

Usage notes

• This is a harsh insult, suggesting that the mistake is so egregious that only a brain-damaged person could have committed it.