Another name for a human so called because most humans are very very selfish. They only look out for there own asses and if you can look out for or help your self that just tough.
Most people are just self machines.
Someone who is totally selfish and thinks only of them selves.
And there only goal in life is to fulfilll there own need and wants. In other words most of the population of the world.
He's just a self machine.