plim1
/plɪm/English regional (chiefly south-western ) and Welsh English
adjective
Filled out, stout, plump.
Origin
Mid 19th century. Probably originally a variant of plum.
plim2
/plɪm/(also plem, plym) Chiefly English regional (southern ) and Welsh English
verb
1 [no object] To swell or grow plump; to fill out or up.
2 [with object] To swell or inflate; to fill (something) up.
Origin
Mid 17th century; earliest use found in Edmund Gayton (1608–1666), physician and hack writer. Probably originally a variant of plum.