MUCKWORM

Etymology

Noun

muckworm (plural muckworms)

A larva living in mud or manure.

Someone who gathers wealth through overwork of employees and sordid means; a miser.

Source: Wiktionary

Muck"worm`, n.

1. (Zoöl.)

Definition: A larva or grub that lives in muck or manure; -- applied to the larvæ of the tumbledung and allied beetles.

2. One who scrapes together money by mean labor and devices; a miser. "Misers are muckworms." Pope.

Source: Webster’s Unabridged Dictionary 1913 Edition