If you’ve witnessed (or rather, heard) the marches, riots and anarchy in support of DIY separatist nation-building tearing through your television set on a nightly basis, you’ll have likely noticed — between the flashbangs and sirens — something of a linguistic leitmotif. The ‘f-word’ is having a moment.

The participants in these — let’s say, indecorous — stunts seem to communicate in a language all their own, one not so much spoken but chanted in bite-sized barbs or sprayed in a loose, fast hand.