quaff
Concise Oxford English Dictionary © 2008 Oxford University Press:
quaff /kwɒf/
▶verb drink (something) heartily.
– derivatives
quaffable adjective,
quaffer noun.
quaffable adjective,
quaffer noun.
– origin C16: prob. imitative of the sound of drinking.
'quaff' also found in these Oxford entries:

