Definition of motherferyer in English:

motherferyer

(also motherferya, motherfuyer)

Pronunciation /ˈmʌðəˌfəjə/

noun

slang, euphemistic US
  • Motherfucker.

Origin

1940s; earliest use found in Mezz Mezzrow (1899–1972), jazz musician. Euphemistic alteration of motherfucker.