noun, plural smok·eys. (often initial capital letter) Slang.

an officer or officers of a state highway patrol.
a state police car.

Origin of smokey

1970–75, Americanism; shortened from Smokey the Bear, a cartoon figure used in the U. S. Forest Service's fire prevention campaign, depicted wearing a hat similar to those worn by state police officers
Also called Smokey Bear. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for smokey

Contemporary Examples of smokey

Historical Examples of smokey

Word Origin and History for smokey

variant of smoky. As a noun, sometimes short for Smokey Bear.

Online Etymology Dictionary, © 2010 Douglas Harper