(slang) To talk in an insulting way intended to irritate or annoy someone.

Third-person singular simple present indicative form of smack-talk

(slang) Overwhelmed by the effects of using heroin; nodding off from heroin use.

To remove or produce by smacking. / (transitive, baseball, by extension) To hit a ball very hard.

(informal, transitive) To beat up or handle roughly.

plural of fishing-smack

A type of sailing vessel, commonly rigged fore and aft and having a hold for the catch.

plural of lip-smacking

simple past tense and past participle of talk smack

present participle of talk smack