Plump, adv. [Cf. D. plomp, interj., G. plump, plumps. Cf. Plump, a. &
v.] Directly; suddenly; perpendicularly. "Fall plump." Beau. & Fl.
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.