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  ̄︶ ̄