To force someone to place their teeth on a curb or other raised edge and kick them in the head, usually causing great dental anguish and damage, if not death. Probably descriptive of the damage such an act would cause to the cranium, as if one jumped on a turtle resting on a hard surface. As depicted in American History X.
Tom's teeth are so mangled, I'd swear someone gave him a turtlestomp.
Anti-Racist Action. Whiney pussies that claim to love all races, but like to rile blacks into doing the fighting for them. Usually kids from wealthy families, especially, but not limited to, those that are white or jewish.
The ARA roused the blacks into burning buildings down in Toledo.