from The Century Dictionary and Cyclopedia
- n. The whip-tailed scorpion, Thelyphonus giganteus. Also called nigger-killer and grampus.
- n. Any one of several insects, as the wheel-bug, a mantis, or a walking-stick.
Sorry, no etymologies found.
Smith & Wesson mule-killer, he holstered at his waist.
The gun, a 9-mm Smith & Wesson mule-killer, he holstered at his waist.
This praying mantis is called a "mule-killer" in the South, where the people think the brown liquor it spits out of its mouth, when disturbed, is fatal to mules.
"And in the South the darkies call it the mule-killer, and believe it has power to bring snakes to life.