subs. (colloquial).A large quantity; a heap.
1859. Punch, lxxx., vi., 236. If they had trusted their own judgment they would have won a HATFUL.
1864. M. E. BRADDON, Henry Dunbar, ch. xxii. He was in a very good temper however, for he had won what his companions called a HATFUL of money on the steeple-chase.