AskDefine | Define eff

Dictionary Definition

eff v : have sexual intercourse with; "This student sleeps with everyone in her dorm"; "Adam knew Eve"; "Were you ever intimate with this man?" [syn: roll in the hay, love, make out, make love, sleep with, get laid, have sex, know, do it, be intimate, have intercourse, have it away, have it off, screw, fuck, jazz, hump, lie with, bed, have a go at it, bang, get it on, bonk]

User Contributed Dictionary



A phonetic spelling of the letter f, the initial letter of the vulgar term fuck. Compare pee.



  1. A phonetic spelling of the letter f / F.


  1. Fuck.
    Eff off!
    And he kept saying, "Effing this, effing that."

Usage notes

Eff is used to replace fuck as a taboo swearword but not in its sense of "to copulate".

Extensive Definition

EFF may refer to:
Eff may refer to:
  • The English spelling of the letter f
  • The euphemism for the word fuck
eff in German: EFF
eff in Norwegian: EFF
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