All other trades demand, verse makers beg; A dedication is a wooden leg; A barren Labeo, the true Mumper's fashion, Exposes borrow'd brats to move compassion.
"The Poetical Works of Edward Young, Volume 2"
Edward Young
A Lincoln's Inn Mumper was a proverb.
"The History of England from the Accession of James II. Volume 1 (of 5)"
Thomas Babington Macaulay
Mumper, a beggar, is also from the same source.
"The English Gipsies and Their Language"
Charles G. Leland