Crinkum-crankum

(glossary entry) Crincum-crancum,—Lines of irregularity and involution.

Source: wiktionary

I had no notion of being lost in so much light; but I had wander'd out of the main streets, and was got to the crinkum-crankum parts of London, where there are turnings and windings on every side.

Source: wiktionary

‘... yet if she will come into the court riding backward upon a black ram, with his tail in her hand, and say the words following, the steward is bound, by the custom, to re-admit her to her free-bench: — Here I am Riding upon a black ram, Like a ***** as I am; Who, for my Crinkum Crankum, Have lost my Binkum Bankum; * * * * * * * * * * * * Therefore, I pray you, Mr. Steward, let me have my land again.’ [...] That Crinkum Crankum is not less descriptive of tortuosity of opinion as it is of irregularity of conduct.

Source: wiktionary

And the artists vainly endeavoured to preserve them by means of vases, pyramids, busts, scrolls, coats-of-arms, projecting cornices, broken pediments, and by what has not inappropriately been called the ‘crinkum-crankum’ style of Elizabeth and James; in which angles and curves are, as before, studiously intermixed, but intermixed without due proportion; and entangle the eye in a labyrinth of fractured lines, without unity, or harmony, or grace.

Source: wiktionary