E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Boniface.
A sleek, good-tempered, jolly landlord. From Farquhars comedy of The Beaux Stratagem.
1
A regular British Boniface.The John Bull.
St. Boniface. The apostle of Germany, an Anglo-Saxon whose original name was Winifrid or Winfrith. (680750.)
2
St. Bonifaces cup. An extra cup of wine (to the health of the Pope). Pope Boniface, we are told in the Ebrietatis Encomium, instituted an indulgence to those who drank his good health after grace, or the health of the Pope of the time being. An excuse for an extra glass.