Gullywasher
noun, slang
noun, slang ·Uncommon ·College level
Definitions
Noun
- 1 An intense, but usually short-lived, rainstorm. Midwestern-US, Southern-US, US, Western, informal
""Then maybe some preacher got a tad too zealous on Sunday" Thinking of his " frog-strangler," Lucy said, "In Montana, we'd call this a gullywasher." " Gullywasher. I like that." She could hear him, up there on the island in Thomas Jefferson's ..."
Example
More examples""Then maybe some preacher got a tad too zealous on Sunday" Thinking of his " frog-strangler," Lucy said, "In Montana, we'd call this a gullywasher." " Gullywasher. I like that." She could hear him, up there on the island in Thomas Jefferson's ..."
Etymology
From gully + washer. First use appears c. 1903.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.