make a pig of

Afterwards, I head to a vegan ice-cream joint in Soho where I can make a pig of myself in the name of research.

“Angel, any time of day or night he can select a chocolate something, but he does not make a pig of himself. Why do you think he keeps all those chocolates hidden in the drawer when he does not gobble them up?”

“Make a pig of meself wid pork an’ beans, hey?

Now, observe, ten bushels of shelled corn are equal, in the fatting of a pig, to fifteen bushels of barley; and fifteen bushels of barley, if properly ground and managed, will make a pig of ten score, if he be not too poor when you begin to fat him.

"You don't want to make a pig of yourself, Codfish," admonished Carncross.