Third-person singular simple present indicative form of eff

(euphemistic, slang) Fuck (the taboo swear word, but not in the sense "to copulate")

To put into words; to express.

(Internet, electronics, politics) Initialism of Electronic Frontier Foundation. / (South Africa, politics) Initialism of Economic Freedom Fighters.

Third-person singular simple present indicative form of eff off

Third-person singular simple present indicative form of eff and blind

Third-person singular simple present indicative form of eff and jeff

(Britain, slang) To swear; to use swear words.

(euphemistic, slang) fuck all.

(euphemistic) fuck off.