The Collaborative International Dictionary of English v.0.48:

Doggerel \Dog"ger*el\, a. [OE. dogerel.]
   Low in style, and irregular in measure; as, doggerel rhymes.
   [1913 Webster]

         This may well be rhyme doggerel, quod he. -- Chaucer.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Doggerel \Dog"ger*el\, n.
   A sort of loose or irregular verse; mean or undignified
   poetry.
   [1913 Webster]

         Doggerel like that of Hudibras.          -- Addison.
   [1913 Webster]

         The ill-spelt lines of doggerel in which he expressed
         his reverence for the brave sufferers.   --Macaulay.
   [1913 Webster]

WordNet (r) 3.0 (2006):

doggerel
    n 1: a comic verse of irregular measure; "he had heard some
         silly doggerel that kept running through his mind" [syn:
         doggerel, doggerel verse, jingle]

Moby Thesaurus II by Grady Ward, 1.0:

50 Moby Thesaurus words for "doggerel":
   Doric, Hudibrastic verse, amphigory, barbaric, barbarous,
   burlesque, cacophonous, caricatural, clumsy, coarse, crambo,
   crambo clink, crude, dysphemistic, farcical, graceless, gross,
   halting meters, harsh, improper, impure, in bad taste,
   inconcinnate, inconcinnous, incorrect, indecorous, inelegant,
   infelicitous, lame verses, limping meters, low, macaronic,
   macaronic verse, macaronics, nonsense verse, outlandish, parodic,
   rude, satiric, tasteless, uncourtly, uncouth, undignified,
   uneuphonious, unfelicitous, ungraceful, unpolished, unrefined,
   unseemly, vulgar