plumper

from The Century Dictionary.

• noun A tannage which gives leather weight or thickness.
• noun One of a pair of balls or rounded masses of some light material kept in the mouth to give the cheeks a rounded appearance.
• noun One who votes for a single candidate in an election, when he has a right to vote for more than one; also, the vote (sometimes the total number of votes collectively) which one thus gives to a single candidate. See plump, v. i.,2.
• noun An unqualified lie; a downright falsehood; a “corker.”

from the GNU version of the Collaborative International Dictionary of English.

• noun One who, or that which, plumps or swells out something else; hence, something carried in the mouth to distend the cheeks.
• noun (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.
• noun engraving A voter who plumps his vote.
• noun Colloq. or Low A downright, unqualified lie.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective comparative form of plump: more plump
• noun One who plumps or swells out something else.
• noun That which plumps or swells out something else.
• noun Hence, something carried in the mouth to distend the cheeks.
• noun In elections, a vote given to one candidate only, when two or more are to be elected, thus giving him or her the advantage over the others; a person who gives his or her vote thus is said to plump, or to plump his or her vote.
• noun A voter who plumps his or her vote.
• noun A downright, unqualified lie.