Plump \Plump\ (pl[u^]mp), a. [Compar. {Plumper} (-[~e]r); superl. {Plumpest}.] [OE. plomp rude, clumsy; akin to D. plomp, G., Dan., & Sw. plump; probably of imitative origin. Cf. {Plump}, adv.] Well rounded or filled out; full; fleshy; fat; as, a plump baby; plump cheeks. --Shak. The god of wine did his plump clusters bring. --T. Carew.