This used to be a way of calling someone out for being unnecessarily angry but now it's just used for when people are being roasted to the core and they have nothing else to say.
Person 1: White people invented slavery.

Person 2: Humans invented slavery and it's unknown to which race has enslaved who first, nor does it matter.

Person 1: You mad?

Person 2: No, I'm just correcting your mistake.

Person 1: Yeah, you mad  ̄︶ ̄
by Try Not To Cry January 30, 2021
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You mad, Donnie? — The cautious exploratory text message that Tucker Carlson sent to Donald Trump shortly after midnight on March 9th 2023 to see if Trump was angry after he had heard that Tucker Carlson has said in a text that: “I hate Trump passionately.”
Text message to Donald Trump at 00:03 on March 09 2023:

Text #1 You up?
Text #2 You mad, Donnie?

Carlson is still waiting for a reply to his POLITICAL BOOTY CALL text. After all, he’s just asking questions.
by Mind Hunter the Profiler March 8, 2023
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the automatic response to a person who has just raged or ragequitted.

to make a raging person rage even more by asking the most ironic question.
todd: WHAT THE HELL. HE JUST STOLE MY CARE PACKAGE AND GOT A NUKE.
murray: you mad bro?
todd: -rages even more-
by murrayspseudonym July 6, 2011
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backup phrase used to question someones reaction to a certion situation...
Boy: YEEEEEEEEEEEE! DAMNN SON! That car left spinner is goin backwards!!!

Girl: So you mad?
by liljesus January 8, 2009
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A stupid term used when someone is mad. Usually results in getting punched in the fucking face.
Nick: -dumps water on friend-
-Friend gets mad-
Nick: Are you mad? Or nah?
by Dynarius February 25, 2014
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This use of the term butt means ur just pussy or ur mad corny.
Yo nah shawty you mad butt son like u be on no Timing
by JY. April 29, 2022
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A short form in saying a swear or making someone mad by speaking this comeback.
Bob: Damn I can't shoot a basketballl today.

Liam: You Mad Bro?

Bob: F%@$* YOU!
by lemonlogan May 23, 2011
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