<jargon> (Rice University) Programming with the lights turned off, sunglasses on, and the terminal inverted (black on white) because you've been up for so many days straight that your eyes hurt (see raster burn). Loud music blaring from a stereo stacked in the corner is optional but recommended.
See larval stage, hack mode.
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Nearby terms: TRO « troff « troglodyte « troglodyte mode » trojan » Trojan horse » TROLL