Dinky also describes something that has been put together too fast and looks like is about to fall apart. Sort of in the same vein as slipshod.

Ooo CapK, I used to love getting those little Dinky cars. My mom had signed us up to get one per month. We still have most of them some 30 years later but have been manhandled by seven kids, and the subsequent generation, the paint jobs did not survive very well.