Jankularity

(adjective) inferior quality; The quality of serving as an undesirable model or being less than good.

I'm amazed this 3d printer would produce useful prints with so many points of jankularity.

jankular

an adjective that describes something of a decrepit or strange fashion.

That car is so jankular, it’s about to fall apart!
My teacher is jankular af, he keeps talking about how he punched a wall when he was mad.