\Plump"er\, n.
1. One who, or that which, plumps or swells out something
   else; hence, something carried in the mouth to distend the
   cheeks.
2. (English Elections) A vote given to one candidate only,
   when two or more are to be elected, thus giving him the
   advantage over the others. A person who gives his vote
   thus is said to plump, or to plump his vote.
3. A voter who plumps his vote. [Eng.]
4. A downright, unqualified lie. [Colloq. or Low]