1. eff - Noun
2. eff - Verb
3. Eff - Proper noun
have sexual intercourse with
Source: WordNetLet's think the unthinkable, let's do the undoable. Let us prepare to grapple with the ineffable itself, and see if we may not eff it after all. Douglas Adams
I was leaving the hotel to get to the fight when my phone went and someone said 'Hello Ricky, it's Tom'. I said 'Tom who?' and when he said 'Tom Jones' I told him to eff off! I thought it was a wind-up! Ricky Hatton
Since I became chairman, I've tried to turn EFF into civil liberties and responsibilities. Esther Dyson
This student sleeps with everyone in her dorm Source: Internet
Adam knew Eve Source: Internet
Were you ever intimate with this man? Source: Internet