1. tonguefuck - Noun
2. tonguefuck - Verb
tonguefuck (plural tonguefucks)
(vulgar) The act of sexual penetration or impassioned kissing or licking with the tongue.
tonguefuck (third-person singular simple present tonguefucks, present participle tonguefucking, simple past and past participle tonguefucked)
(vulgar) To sexually penetrate or passionately kiss or lick with the tongue.