nafarius
A crowd of people who all talk at the same time and no one can hear anything. They make up words and then blame you for not knowing them.
My class is nafarious. We all talk at once and I can't hear what the teacher is saying. It's chaos.
I joined a nafarious group. They made up a word for everything. Now I have to say 'glorp' instead of 'hello'.
My family is nafarious. We all shout at the same time during dinner. No one can hear anything.