Short for "K but u rong doe". Used when you know arguing is pointless but you need them to know they're still wrong.
Person 1: women are partly responsible for getting raped
Person 2: kburd.
Short for, "K But U Rong Doe". Used when talking is pointless but you still want the person to know they're wrong. Primarily and exclusively used to combat racism/racists.
Person 1: Racism isn't really that bad.
Person 2: KBURD