the.com/gunslinger

A reputation with a holster, usually outliving the hand that drew it.

means A gunfighter skilled and quick with a pistol, especially the fast-draw sharpshooters of the American Wild West myth.

from A straightforward American compound of 'gun' and 'slinger' — someone who slings (hurls, flings, or wears slung at the hip) a weapon. 'Sling' itself goes back to Old Norse and Old English words for throwing or hurling. 'Gunslinger' itself is a surprisingly late coinage — not actual frontier slang but a word popularized by early 20th-century pulp Westerns and movies, which is why it carries more Hollywood dust than real trail dust.

origin era
term is mostly Hollywood, not the real Old West
real gunfights
rare, messy, often fatal to bystanders not duelists
programmer slang
now means a reckless, fast, unreviewed coder
myth fuel
quick draw duels were largely dime novel invention
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