Frank J. Wilstach, comp. A Dictionary of Similes. 1916.

Eat

Eat like a hog.
—Anonymous

Eat like a horse.
—Anonymous

Eats like rust.
—Anonymous

Eat like wolves.
—Anonymous

Eat like maggots into an estate.
—Charles Lamb

Eating, sharply as aqua-fortis into brass, into the metal of her vanity—and her pride.
—Ouida

Eat up like fire the ashen autumn days.
—Algernon Charles Swinburne

Eat as doth a canker.
—New Testament

Eat your flesh as it were fire.
—New Testament