crinkum-crankum
/krɪŋkəmˈkraŋkəm
/noun [mass 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 crank1 and crank2.