Definition
a ruler over a worthless kingdom; leader of a meaningless microcosm.
Origins
Calque of Biblical Hebrew בַּעַל זְבוּב (baʿal zəḇûḇ, “fly-lord, Beelzebub”), which in turn is a mistranslation of the name of the Semitic devil Baal-zevuv.
How People Actually Use It
a book written by William Golding that exhibits Golding's beliefs on humanity and encorporates freudian theories. Golding's view on humanity was skewed after his experiences in the war which led him to try to convey is beliefs through a book which is now considered a classic, lord of the flies
"person 1:man the lord of the flies came and talked to me person 2: dude what did i tell you about taking that sheeba again"
Source: Urban Dictionary