= P =
priority interrupt n.
[from the hardware term] Describes
any stimulus compelling enough to yank one right out of hack mode. Classically used to describe being dragged away by an
SO for immediate sex, but may also refer to more mundane
interruptions such as a fire alarm going off in the near vicinity.
Also called an NMI (non-maskable interrupt), especially in
--The Jargon File version 4.3.1, ed. ESR, autonoded by rescdsk.