eff

/ɛf/
verb
  1. A mild or euphemistic way to say 'f***', used to express anger, frustration, or annoyance.
    • He told me to eff off when I asked for help.
    • I can't believe I effed up the test again.
    • Oh, eff it, I'll just start over.
Synonyms
noun
  1. The letter F; also used as a euphemism for the word 'f***'.
    • He wrote a big eff on the board.
    • She didn't say the actual word, just 'eff'.
    • The word 'off' has two effs.
What does "eff" mean? | whatsthatwordmean | whatsthatwordmean