four o'clock
Then find my cup and fill it , there 's a good fellow , and I 'll owe you a glass of grog . '' `` Hi , yi ! '' answered the black , his eyes sparkling and his teeth gleaming hilariously , `` who you call ` brack demon , ' eh , sah ? Who eber hear of brack demon turnin ' out at four o'clock in de mornin ' to make coffee for young gentermen , eh ? And about de grog , Mistah Courtenay ; how many glasses do dis one make dat you now owe me , eh , sah ? Ansah me dat , sah . You don ' keep no account , I expec 's , sah , but _ I _ do .