criminal yapper Share definition Flag A yapper who´s indentified as a criminal, likely is trying to talk about how he´s not guilty about the stuff he did "Bro i swear to god i didn´t steal his vapes." "Stfu criminal yapper" criminal yapper by ToastHampter December 16, 2023 0 0 Get merch Get the criminal yapper mug. Buy Now — $32.95 See more merch