See also: TNC Translingual Symbol tnc (international standards) ISO 639-3 language code for Tanimuca-Retuarã. See also Wiktionary’s coverage of Tanimuca-Retuarã terms Portuguese Noun tnc n (invariable) (Internet slang, text messaging, vulgar) initialism of tomar no cuWikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads