tonguefuck noun 1verb 1forms 3 noun1 •(slang, vulgar) The act of sexual penetration or impassioned kissing or licking with the tongue. verb1 •(slang, vulgar) To sexually penetrate or passionately kiss or lick with the tongue.I begin to tongue-fuck his ear. — 1993 formstonguefucked · tonguefucking · tonguefucks
