The story
From Uriah Heep + -ish: From the Dickens character Uriah Heep, noted for his cloying humility, obsequiousness, and insincerity, the stereotypical yes-man.
Etymology from Wiktionary, CC BY-SA 4.0.
Uriah Heepish
Today it means: Exhibiting cloying, insincere obsequiousness. Full definition →