filthy dirty
A British intensified adjective meaning extremely dirty — using two near-synonyms stacked together for emphasis.
Definitions
A British intensified adjective meaning extremely dirty — using two near-synonyms stacked together for emphasis. The construction is emphatic rather than technical, and follows a pattern of British English reduplication for emphasis ('dirty filthy,' 'bloody awful'). Used in casual conversation to describe something in a spectacularly poor state of cleanliness.
The kitchen was filthy dirty after the party — took three hours to sort out.
Comments
(British) Extremely dirty; filthy.
“What are Democrats doing to counter this? There needs to be all the blue states redistricting all their districts to blue NOW! Dems need to fight fire with fire. Two can play the G0P's filthy dirty games. #LetsGo!”
— Bluesky· May 2026
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🇬🇧About British & Irish slang slang
UK and Irish slang — Cockney, Scouse, Geordie, Yorkshire, Glaswegian, Brummie, Welsh, West Country, plus Irish English. Centuries of regional dialects feeding into modern British and Irish street talk.
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