biffy
(US, slang) An outhouse.
ˈbɪ.fiDocumented since 1930s1930sSilenthistorical55 viewsLast reviewed Jun 29, 2026＋ Add a definition
Etymology timeline
Born ~1935 · no dated citations yet20th centurySee decade cohort →
Definitions
#1·Apr 26, 2026
(US, slang) An outhouse.
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#2·Apr 26, 2026
(US, slang) A toilet.
Origin: etymology, but perhaps an alteration of privy: p gaining voicing to become b, and v losing voicing to become f. Attested since 1935 (see first quotation). Origin information sourced from Wiktionary contributors (CC BY-SA 4.0).
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Other words near "biffy" (B)
BiebermaniaBiebsbieldybiffBiffin's bridgebiffobiftabifterbig and badbigarettebig as bull-beefbig-ass
Browse all slang words starting with B.