EFF


Meaning of EFF in English

eff /ef/ BrE AmE verb [intransitive] British English spoken informal

[ Date: 1900-2000 ; Origin: f , the first letter of fuck ]

1 . effing and blinding swearing:

Did you hear her effing and blinding at him?

2 . eff off! used to tell someone to go away instead of saying ↑ fuck off

⇨ ↑ effing

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.