Grub Street Definition

noun

The world of impoverished writers and literary hacks.

American Heritage

pronoun

The home or state of impoverished writers and literary hacks.

Upon the occaision of his first publication he quit his day job, only to find that Grub Street wasn't lined with manors and villas but hovels and slums.

Wiktionary

Origin of Grub Street

After Grub Street in London, England now named Milton Street, a haunt of and home to impoverished writers.

From Wiktionary
After Grub Street , London, former name of Milton Street, where such writers lived

From American Heritage Dictionary of the English Language, 5th Edition