I don't think it's devoid of meaning, but its use is telling. It's usually used to refer to libertarians and classical liberals by those who don't understand th

I don't think it's devoid of meaning, but its use is telling. It's usually used to refer to libertarians and classical liberals by those who don't understand them, i.e. it's often a sign of ignorance. Sometimes it's used deliberately as a smear to suggest people are fascists or neo-nazis.