Wiktionary
cobbly
a. Having a consistency similar to cobbles.
Usage examples of "cobbly".
Smooth facets of buildings have given way to cobbly insides of concrete blasted apart, all the endless-pebbled rococo just behind the shuttering.
Maybe that was why, during the next generation, she settled down to schoolteaching and helping her husband raise the cobblies.
It concerns a sort of Cobbly we Shorties used to have—they've nearly all disappeared nowadays, back where I come from, but we used to have them.