EFF
Meaning of EFF in English
/ ef; NAmE / verb
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IDIOMS
- eff and blind
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PHRASAL VERBS
- eff off
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WORD ORIGIN
1950s: the letter F represented as a word.
Oxford Advanced Learner's English Dictionary.
Оксфордский английский словарь для изучающик язык на продвинутом уровне.
2005