1. [generalisation of "Honeywell Brain Damage" (HBD), a theoretical disease invented to explain certain utter cretinisms in Honeywell Multics] Obviously wrongcretinousdemented.There is an implication that the person responsible must have suffered brain damage, because he should have known better.Calling something brain-damaged is really badit also implies it is unusable, and that its failure to work is due to poor design rather than some accident."Only six monocase characters per file name?Now *that' s* brain-damaged!"2. [especially in the Mac world] May refer to free demonstration software that has been deliberately crippled in some way so as not to compete with the commercial product it is intended to sell.Synonym crippleware.[Jargon File]