To talk nonsense. To utter complete fabrications. Especially when one knows them to be untrue.
He didn't saying one thing that was right. He was just talking trash.
by Ghost July 27, 2003
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~ Talking Trash Means Your Talking Shit About Someone

~ Saying Mean Things About Someone

~ Talking About Someone Behind Their Back
Ryan: She think she's sooooooooo cool!!
Jose: I know right!!
Marie: You talking trash about me again?!?!?!
Boys: Yup!!
by xXYouMadBroXx March 5, 2012
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when someone says things behind your back
nola was talking trash behind madi and michelles back
by oh yes sister March 11, 2019
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say bad things about someone
quite simple really
You better not talk trash behind my back.
by kiwibo November 3, 2019
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An example of a statement where a person insults an other person to rub in his/hers victory.
Steve: Ha! Boom you can't play cause I beat you 17-5.
James: Stop trash-talking
by Spooderdude03 January 11, 2018
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In the course of a competitive situation putting down your opponent verbally or saying how good you think you are. Oftenly involving talk of moms or sisters.
Examples of Trash Talk
"You couldn't tackle me in a phone booth"

"You better stay out of the paint or I'll block you so hard I'll make your momma hurt more than I made your sister hurt last night"

"I'm so fast you couldn't see me with a telescope"
by eberk December 6, 2007
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1) Verbal abuse used during competition to upset the opposition.

2) To verbally abuse the opponent during competition.
1) He hit me with a lot of trash-talk in the basketball game.

2) He trash-talked me throughout the basketball game.
by Rodney Basil May 23, 2004
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