- a usually short, heavy rainstorm.
Origin of gullywasher
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for gully-washer
At seven in the morning the stage pulls up for us, and it rains—no gentle sizzle-sozzle, but a sod-soaker, yea a gully-washer!The New North
Agnes Deans Cameron