bumfodder

For one day by chance I happened to read a chapter of them at Poictiers, at the most decretalipotent Scotch doctor's, and old Nick turn me into bumfodder, if this did not make me so hide-bound and costive, that for four or five days

Gargantua and Pantagruel, Illustrated, Book 4

For one day by chance I happened to read a chapter of them at Poictiers, at the most decretalipotent Scotch doctor’s, and old Nick turn me into bumfodder, if this did not make me so hide-bound and costive, that for four or five days I hardly scumbered one poor butt of sir-reverence; and that, too, was full as dry and hard, I protest, as Catullus tells us were those of his neighbour

Five books of the lives, heroic deeds and sayings of Gargantua and his son Pantagruel