Associations to the word «Eff»

Wiktionary

EFF, verb. (euphemistic) (slang) Fuck.
EFF ALL, interjection. (euphemistic) (slang) A censored form of the phrase fuck all.
EFF AND BLIND, verb. (British) (slang) To swear, to use swearwords.
EFF OFF, verb. A censored form of the phrase fuck off.
EFF WHY EYE, prepositional phrase. Alternative form of FYI

Dictionary definition

EFF, verb. Have sexual intercourse with; "This student sleeps with everyone in her dorm"; "Adam knew Eve"; "Were you ever intimate with this man?".

Wise words

Words are always getting conventionalized to some secondary meaning. It is one of the works of poetry to take the truants in custody and bring them back to their right senses.
William Butler Yeats