Arrgh, they just missed the chance to pun it off against serialism, the academic successor to atonal or twelve-tone music as a body of theory and compositional practice. To boot, cerealism and serialism are pronounced identically, while surrealism is distinguishable! Well OY to that, or indeed ARRRGH!
This time the squirrel does have something to say — and he’s clearly wrong.
Here’s an Oy-Ewww. Wait, do I know the actual etymology? And how’s about “steak tartare”?