muckworm

Etymology

From muck + worm.

muckworm means A larva living in mud or manure. Lexicurio rates it Sui generis — a strength score of 89 out of 100.

noun

A larva living in mud or manure.
Someone who gathers wealth through overwork of employees and sordid means; a miser.“Here you a muckworm of the town might see, / At his dull desk, amid his legers stall'd, / Eat up with carking care and penurie; / Most like to carcase parch'd on gallows-tree.”