eff /ef/
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 [TahlilGaran] Dictionary of Contemporary English ▲