blind
adj.— «Top Government sources have told The Sunday Express that a majority of the 2,000-strong Krasnopol inventory has been found defective: the shell, priced over Rs 15 lakh per piece, hits the target accurately during test-firing but fails to explode on impact. In military parlance, these shells are “blind” or duds.» —“Most of Krasnopol ammo for Bofors guns turn out duds” by Shishir Gupta in New Delhi Sunday Express (India) Nov. 26, 2006. (source: Double-Tongued Dictionary)
Further reading
Ryan, a wildland firefighter from Asheville, North Carolina, asked about bagger, a derogatory term for “a lazy or amateur firefighter.” The term likely comes from military slang, where bagger is short for dirtbagger or S-bagger, most likely deriving...
If you work in tech support, you might use snarky slang for problems caused by computer users themselves. There’s the acronym PEBCAK, for example, which stands for Problem Exists Between Chair and Keyboard. And: a lush poem about the sea inspired by...