[f. TUN sb. + -FUL 2.] As much as fills a tun.
1562. Turner, Baths, 4. Manye carye great tunnfulls of it awaye, and drinke it in theyr houses.
a. 1592. Greene, Vision, Wks. (Grosart), XII. 203. But for euery dram of mirth, they leaue behinde a Tunfull of infecting mischiefs.
1819. Shelley, Cyclops, 197. You may drink a tunful if you will.