gullywasher

[ guhl-ee-wosh-er, -waw-sher ]

noun

, Chiefly Midland and Western U.S.

1. a usually short, heavy rainstorm.

Word History and Origins

Origin of gullywasher¹

First recorded in 1900–05; gully ¹ + washer

Example Sentences

Not a passing shower or a tropical gullywasher, not some effete drizzle but constant, temperate rainfall lasting for several hours.

From Washington Post