What is "plumped"

Plump \Plump\, v. t. [imp. & p. p. Plumped; p. pr. & vb. n. Plumping.]

1. To make plump; to fill (out) or support; -- often with up.

   To plump up the hollowness of their history with improbable miracles.
   --Fuller.

2. To cast or let drop all at once, suddenly and heavily; as, to plump a stone into water.

3. To give (a vote), as a plumper. See Plumper, 2.

vb. (en-past of: plump)