Definition of "doggrel"

Your wit burlesque may one step higher climb, And in his sphere may judge all doggrel rhyme: All proves, and moves, and loves, and honours too; All that appears high sense, and scarce is low.

1808, Edited by Walter Scott, The Works of John Dryden, Vol. II‎

I have not the vanity to think myself a poet; and I have a horror of seeing mere doggrel rhymes--such as the following-- "Mighty toil I've borne for years thirty, I have revived Persia by this Pursi."

1874, Mir Amman of Dihli, Bagh O Bahar, Or Tales of the Four Darweshes‎

To Latinise a pun, we must seek a pun in Latin, that will answer to it; as, to give an idea of the double endings in Hudibras, we must have recourse to a similar practice in the old monkish doggrel.

1833, Elia [pseudonym; Charles Lamb], “[Popular Fallacies.] VIII. That Verbal Allusions Are Not Wit, Because They Will Not Bear a Translation.”, in The Last Essays of Elia. […], London: Edward Moxon, […], page 239

The uncouth doggrel, recited in a lilting sort of measure, the peculiar and various pleasures of a canter upon a pine rail.

1890, William Gilmore Simms, Guy Rivers= A Tale of Georgia‎