dodipole

• dotipole

Possibly from dote (“to be senile”) +‎ poll (“head”)

dodipole (plural dodipoles)

1. (obsolete, derogatory) An old person with impaired intellect; a dotard, idiot or lunatic.
   • 1550 October 9, Hugh Latimer, “A Sermon preached at Stamford”, in John Watkins, editor, The Sermons and Life of Hugh Latimer‎, volume 1, London: Aylott & Son, published 1858, page 288:

     But some will say, our curate is naught, an asshead, a dodipole, a lack-latin, and can do nothing: Shall I pay him my tithes, that doth us no good or none will do? Yea, I say, thou must pay him his due; and if he be such a one, complain to the bishop.

   • 1593, Gabriel Harvey, Pierce's Supererogation; or, A New Praise of the Old Ass‎, published 1815, page 59:

     No remedy; you must be dieted, and let blood in the Cephalica vein of asses, fools, dolts, ideots, dunces, dodipolles, and so forth infinitely; and never trust me, if you be not as tame-tongued, and barren-witted, as other honest men of Lombardy and the Low Countries.

• dotard, mimmerkin; see also Thesaurus:dotard

• Richardson, Charles (1839) A New Dictionary of the English Language‎, page DOL-DOM