[f. as prec. + -ING2.] That quaffs. Hence Quaffingly adv.

1

a. 1693.  Motteux, Rabelais, III. xxxi. 255. The Lubbardly quaffing Monks.

2

1843.  Tait’s Mag., X. 275. At evening empty a bottle or two, Quaffingly, quaffingly.

3