[Caltech, ca. 1979] Any
malfunctioning computer terminal. A common failure mode of
Lear-Siegler ADM 3a terminals caused the `L' key to produce the `K'
code instead; complaints about this tended to look like "Terminak
#3 has a bad keyboard. Pkease fix." Compare dread high-bit disease,
HP-SUX, Slowlaris.