a combination of shit + trash, referring to the worst content on the web (articles, news pieces, videos, etc. and all formats and media types in content); containing horrifically written, spelled, or utterly low-quality, garbage content.
Content pieces that should not see the light of day, but instead get widely published on a mainstream website.
That content is straight-up shash.
We're not publishing that shash.
Sorry, your shash has been rejected.
Originating in the early 19th century, the saying "Crazy Shash" became increasingly popular from 1814 onwards. It found its roots in the supposed eccentricity of the fans of Muzio Clementi's Sonata Op. 16 - also known as "La Chasse". If you were a "crazy shash", you had bad taste in music and art, or were just generally insane.
Algernon: Well my word! Henceforth from the fog comes young Jed Swigley! A bully lad if I've ever laid eyes on such!
Bentworth: Why...the chaps at the haberdashery told me he was a damned crazy shash!
Jed: Evening, gents! I should like to offer a cordial invitation to a supper with my multifarious hallucinations. Care to join?
Algernon: By The Queen's Slacks! Let us get out of here; make haste, now