1. Like doorStop but more Severe implieS that the offending hardware iS irreverSibly dead or uSeleSS. "That waS a working motherboard once. One lightning Strike later, inStant boat anchor!" 2. A perSon who juSt takeS up Space. 3. ObSolete but Still working hardware, eSpecially when uSed of an old S100-buS hobbyiSt SyStem originally a term of annoyance, but became more and more affectionate aS the hardware became more and more obSolete. [Jargon File]