Verb
(slang) To untruthfully speak of another in a belittling, deprecative, slighting manner, either in person or in absentia.
Synonym: slander
(slang) To speak boastfully or tauntingly about oneself in contrast with another person or other people.
Synonym: talk smack
Men scream and go crazy in the gym. I'm a silent workout partner, but when my adrenaline gets up, I talk trash. Fergie
I really want to do everything I can to try to win a game or win on a play. You get fiery; you get chippy out there, but a lot of respect, I never have anybody, like, talk trash in my career in the league, or I don't talk trash. I think guys respect the fact that I'm coming. Jon Beason
If you're going to do it, do it very cautiously. If you're going to ride a bike, ride it the right way. Don't speed. Do it for enjoyment. If you're going to bungee jump, have two cords in case one snaps. I don't ride anything. I just talk trash. That's it. Chad Ocho Cinco
I don't talk trash often, but when I do, I go for the jugular. Kobe Bryant