[? Altered form of cobble, or related to KIBBLE v.1] = COBBLE sb.1

1

1891.  Times, 12 Oct., 4/5. The demand for coal, kibbles, and slack … is very active.

2

1893.  Daily News, 8 May, 2/7. House coal is quiet…. Kibbles 8s 3d to 8s 6d, with superior sorts approximately dearer.

3