To prove something or too explain your opinion and have undeniable truth to back it up.
Hey bro I had sex with Hillary finally last night.

Reply: Bro seriously? Prove that shit Fact That.
by Mojo_Dojo February 18, 2020
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The stress-reducing habit of only carrying opinions for which you have strong supporting facts
Ola Rosling coined the term Factfulness in order to describe the satisfaction of stating your opinion based on evidence instead of guessing.
by Maze71 October 30, 2015
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A term that originated in New York that is used to agree with something, someone, or a statement. It can also be used to point out something as being factual.
"Yo deadass nigga if anyone scuffs my timbs they finna get stomped on bruh."
"Yo that's facts my guy."
"FACTS B THAT'S ALL I SPEAK!"
by Fresh Timbs November 04, 2017
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Guy 1 : damn bruh this is some good weed
Guy 2 : yo facts facts
by kushndgatorade September 12, 2014
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Being fat, angry and acting.
Coined by Zach Galifianakis on the DVD "Live at the Purble Onion".
"Joe that was really good facting!".
by PhilipSkovgaard February 25, 2010
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A magical word that when spelled all in capitals, emboldened and followed by an exclamation mark makes any statement it follows indisputably true.
Dave: Hey Kyle
Kyle: Hey Dave
Dave: Did you hear that Luke had finally come out?
Kyle: No way! He's not even gay.
Dave: FACT!
Kyle: Fair enough.
by cptchopper79 October 21, 2010
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The place most people in the world tend to think their opinions reside...
This music sucks, no one should listen to it! That's a FACT!
by The God of all you know March 03, 2005
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