kensington curbstomp
A violent practice originating from the gangs in Kensington. The procedure is carried out by forcing the victim to open their mouth and "bite the curb". The victim is then kicked repeatedly in the back of the head until the lower jaw separates from the skull. This practice usually results in deadly blood loss.
"I heard Phil got the Kensington curbstomp when he fucked with some kids on his way home. They said his teeth were embedded in the sidewalk"