vbl. sb. [f. CUB sb.1 + -ING1.] = CUB-HUNTING (see CUB sb.1 5).

1

1882.  Society, 21 Oct., 18/1. The young hot-blooded youth from Oxford … does not care much for cubbing.

2

1890.  Daily News, 3 Nov., 5/3. The dry autumn has been unfavourable to ‘cubbing.’

3