Green’s Dictionary of Slang

Grub Street adj.

[proper name Grub Street, the notional home of hack journalism. Andrew Marvell coined the phr. to epitomize the world of hackery. Grub Street, according to Johnson (1755), was ‘much inhabited by writers of small histories, dictionaries, and temporary poems’; there was a real Grub Street, poss. named for a Mr Grubbe, near Moorfields in the City of London; it was renamed Milton Street in 1830]

used in combs. pertaining to mendacious or untrustworthy speech or writing.

[UK]T. Shadwell Bury Fair Prologue: Silly Grubstreet Songs worse than Tom Farthing.
[UK]Swift Tale of a Tub 42: I am not unaware, how the Productions of the Grub-Street Brotherhood, have of late Years fallen under many Prejudices.
[UK]Swift letter xxviii 21 Aug. Journal to Stella (1901) 274: We have only a Grub Street paper of it, but I believe it is true.
[UK]C. Walker Authentick Memoirs of Sally Salisbury 92: It must be some Grub-Street Stuff.
[UK]Swift ‘To Dr. Delany’ in Chalmers Eng. Poets XI (1810) 480/1: You may then boldly go in quest To find the Grub-street poet’s nest. [...] What e’er the noisy scoundrel says, It might be something in your praise: And praise bestow’d on Grub-street rhymes Would vex one more a thousand times.
[UK]R. North Examen 323: Would one expect in Print [...] such Malice and Knavery as lies here, scarce fit for Midnight Grubstreet Rags?
[UK]F. Coventry Hist. of Pompey Little II 209: I won’t have the Honour of my Ancestors besmeared with his Grubstreet Ink.
[UK]A Fortnight’s Ramble through London 55: The productions of poor Grub-street authors.
[UK]Chester Courant 13 Feb. 3/5: I must thiink it an insult to [...] my readers (whom this Grub-street hero dignifies with the titleof ‘dull Cestrians’.
[UK]Slops Shave at a Broken Hone 10: The thickest pate Grub-street man of letters, / May puff his libel to the gaping mob.
[UK]Morn. Advertiser (London) 19 Nov. 3/7: This ‘Advertiser’s scribe’. This most horn-mad of all the Grub-street tribe.
[UK]Thackeray Henry Esmond (1898) 342: You are one of the pack of Grubb Street scribblers that my friend Mr. Secretary hath laid by the heels.

In compounds

Grub Street crew (n.)

gossips, seen as a group.

[UK]Bridges Burlesque Homer (3rd edn) 258: The Grub-street crew our case will pity, / And put us in some woeful ditty.
Grub Street philosopher (n.)

a rumour-monger.

[UK]Mercurius Fumigosus 18 27 Sept.–4 Oct. 159: From whence (as the Grub-street Philosophers report) came that great Gyant which was lodged in the George Stables in King-street.