From Chapter 3:
Taking the whiff, it has been suggested, may have been either a swallowing of the smoke, or a retaining it in the throat for a given space of time; but what may be meant by the "Cuban ebolition" or the "euripus" is perhaps best left to the imagination. "Ebolition" is simply a variant of "ebullition," and "ebullition," as applied with burlesque intent to rapid smoking—the vapour bubbling rapidly from the pipe-bowl—is intelligible enough, but why Cuban? "Euripus" was the name, in ancient geography, of the channel between Eubœa (Negropont) and the mainland—a passage which was celebrated for the violence and uncertainty of its currents—and hence the name was occasionally applied by our older writers to any strait or sea-channel having like characteristics. The use of the word in connexion with tobacco may, like that of "ebolition," have some reference to furious smoking, but the meaning is not clear.

From Chapter 7:
There is no mention of Parson Trulliber's pipe, but that pig-breeder and lover can hardly have been a non-smoker. Both the other clerical characters who appear in the book, the Roman Catholic priest who makes an equivocal appearance in the eighth chapter of the third book, and Parson Barnabas, who thinks that his own sermons are at least equal to Tillotson's, smoke their pipes. The other smokers in "Joseph Andrews" are the surgeon and the exciseman who, early in the story, are found sitting in the inn kitchen with Parson Barnabas, "smoking their pipes over some syderand"—the mysterious "cup" being a mixture of cider and something spirituous—and Joseph's father, old Gaffer Andrews, who appears at the end of the story, and complains bitterly that he wants his pipe, not having had a whiff that morning.