Wiktionary
plug hats
n. (plug hat English)
Usage examples of "plug hats".
No Hawaiians appeared that day, for they mourned in secret, but a good many Americans in tight coats, brown plug hats and patent-leather shoes roamed the streets wearing gaudy badges that showed Uncle Sam entering into matrimony with a Negro woman—.
For inhabitants, the camp has about two hundred miners, one white woman and child, several Chinese washermen, five squaws, and a dozen vagrant buck Indians in rabbit-skin robes, battered plug hats, and tin-can necklaces.