English edit

Alternative forms edit

Etymology edit

See eff (fuck).

Phrase edit

what the eff

  1. Euphemistic form of what the fuck.
    • 2014, Michael Griffo, Starfall (The Darkborn Legacy), New York, NY: Kensington Publishing Corporation, →ISBN, page 94:
      “Don't take this the wrong way, Archie,” Arla begins, “but what the ef are you talking about?”