Open English Wordnet
Nouns
Verbs
(v)plank, flump, plonk, plop, plunk, plump down, plunk down, plumpset (something or oneself) down with or as if with a noise“He planked the money on the table”, “He planked himself into the sofa”
Adjectives
(s)chubby, embonpoint, plumpsufficiently fat so as to have a pleasing fullness of figure“a chubby child”, “pleasingly plump”