(UK, slang, vulgar, derogatory, rare) Absolutely nothing.
No comments yet — say something.
Add your own interpretation of "square root of fuck all".
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.
See all British & Irish slang slang on Slangora.
Browse all slang words starting with S.