Sustained and overruled are standard courtroom rulings, one accepting an objection and the other rejecting it, which is why the pair works so well as a joke about changing your mind. This short clip is associated with NakeyJakey, and its appeal comes from that instant reversal: a confident yes followed immediately by a firm no. Online creators reuse it as a compact verdict for arguments, debates and gameplay moments, because listeners recognise both terms at once and do not need any courtroom context to get the gag.