Kentucky windage

American  

noun

Slang.

1. a method of correcting for windage, gravity, etc., by aiming a weapon to one side of the target instead of by adjusting the sights.

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Example Sentences

Then you only have “Kentucky Windage” to adjust for as you increase depth or speed…

From Seattle Times

Usually you wind up using a Kentucky windage of the reading it gives you and how fast it is rising to calculate some rough idea what the actual temperature is.

From Los Angeles Times

Using "Kentucky windage," Vang Pao made another adjustment.

From Time Magazine Archive

Among 944 Americans on the list: Air Force Captain James A. Van Fleet Jr., West Pointer son of the former Eighth Army commander; Jet Ace Captain Harold E. Fischer, who bagged most of his ten enemy planes by disdaining the prized radar gunsight, relying instead on naked eyesight and "Kentucky windage."

From Time Magazine Archive

Slowly he stretched out into a prone firing position; he rested his rifle barrel on his helmet and sighted through the scope, allowing just enough Kentucky windage to compensate for the breeze.

From Time Magazine Archive