Brewer's: Kidderminster Poetry
Coarse doggerel verse, like the coarse woollen manufacture of Kidderminster. The term was first used by Shenstone, who applied it to a Mr. C., of Kidderminster.
Thy verses, friend, are Kidderminster stuff; And I must own you've measured out enough.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894