| Verb | 1. | eff - have sexual intercourse with; "This student sleeps with everyone in her dorm"; "Adam knew Eve"; "Were you ever intimate with this man?"bonk, do it, fuck, get it on, get laid, have a go at it, have intercourse, have it away, have it off, have sex, be intimate, lie with, make love, roll in the hay, screw, sleep with, hump, jazz, love, bed, bang, make out, know neck, make out - kiss, embrace, or fondle with sexual passion; "The couple were necking in the back seat of the car" have, take - have sex with; archaic use; "He had taken this woman when she was most vulnerable" | |