Definition of crinkum-crankum in English:

crinkum-crankum

noun

archaic
  • Elaborate decoration or detail.

    • ‘Ay, here's none of your straight lines here, but all taste, zig-zag, crinkum-crankum, in and out, right and left, so and again, twisting like a worm.’
    • ‘The crackle-glaze boulder shapes, the crinkum-crankum ledges, the skewed pagoda silhouettes of the mountains belonged to no Occidental geography.’

Origin

Mid 17th century: fanciful reduplication of the nouns crank and crank.

Pronunciation:

crinkum-crankum

/ˌkriNGkəmˈkraNGkəm/