simple past tense and past participle of trash talk

(slang) Serious and non-humorous communication, especially in contrast to previously in the conversation.

(informal) Of a topic, to talk about or discuss that topic in detail.

simple past tense and past participle of talk everything

simple past tense and past participle of talk smack

(colloquial, US, African-American Vernacular, chiefly sarcastic) Used to dismiss another person's argument by indicating that one is not prepared to hear or read anything further from that person. It is often used while simultaneously holding up the hand with the palm facing the speaker.

(idiomatic, transitive) To talk about (something or someone) to make it seem as good as possible or to draw positive attention to it. / (idiomatic, intransitive) To talk louder.

(slang) To untruthfully speak of another in a belittling, deprecative, slighting manner, either in person or in absentia.

(transitive) To use clever talk in order to persuade someone to do something rash.

Doublespeak. / Lies, especially in a formal political statement. / (comedy) Speech which combines English (or some other language) and native-sounding gibberish for humorous effect.