[1] : The Collaborative International Dictionary of English v.0.48

quaff \quaff\, v. t. imp.  p. p. quaffed; p. pr.  vb. n.
   quaffing. for quach, fr. gael.  ir. cuach a drinking
   cup; cf. l. caucus a drinking vessel. cf. quaigh.
   to drink with relish; to drink copiously of; to swallow in
   large draughts. "quaffed off the muscadel." --shak.
   1913 webster

         they eat, they drink, and in communion sweet
         quaff immortality and joy.               --milton.
   1913 webster
see also:
quaffed quaffing quaigh 

Quaffing >> Q Words
Quaffing, definition of term: Quaffing
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