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]