Definition of "poogh"

"Poogh!" says the squire: "Injury, with Allworthy! Why, Allworthy loves a wench himself. Doth not all the country know whose son Tom is? You must talk to another person in that manner. I remember Allworthy at college."

1749, Henry Fielding, The History of Tom Jones, a Foundling, volumes (please specify |volume=I to VI), London: A[ndrew] Millar, […]