Can no magna can!
Meanings of "Can no magna can!"
Lit. Dogs don't eat dogs. It is often referred to people appartaining at the same group (political, ethnic, same sex, etc) to say they don't kill or do something bad each others.
Ex. An italian judge absolved an italian man who robbed a stranger at the train station. We may think that this judge absolved the man because they're both italians, so we can say "can no magna can!"