beige box

Communications, Electrical engineering, Engineering, Natural sciences, Physical sciences, Telecommunications, Telephony A device used in phreaking, technically equivalent to a telephone company lineman's handset: a telephone fitted with alligator clips to attach it to a line.

Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences A desktop computer in the style typical of personal computers of the 1980s and 1990s, having a boxy off-white case and CRT monitor.

Broadly, Derogatory An outdated personal computer.