1. a street in London, England: formerly inhabited by many impoverished minor writers and literary hacks; now called Milton Street.
2. petty and needy authors, or literary hacks, collectively.
Pronunciation: (grub'strēt"), [key]
produced by a hack; poor in quality: a grubstreet book.
See Grub Street (def. 2).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.