Brewer's: Chirping Cup
or Glass. A merry-making glass or cup of liquor. Wine that maketh glad the heart of man, or makes him sing for joy.
A chirping cup is my matin song, And my vesper bell is my bowl; Ding dong!
A Friar of Orders Grey.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894