one who finds circuitry and case metal highly erotic. one who is silicosexual likely fantasizes about being or having carnal relations with androids or cyborgs. sometimes the fantasy extends to a computer, making the silicosexual user desire to give the machine an attractive name, and in some cases decorate the monitor or case with drawings of how the machine intelligence/personality would manifest in flesh.

...
but, seriously, folks, who here hasn't thought of it at least once in a while?