Short for plebeian. Someone with very basic, boring, or generic taste. They have no interest in the artistic value of things.

From STEM, an abbreviation short for "Science, Technology, Engineering and Mathematics", a STEMlord is a pejorative term for a particular kind of person who has studied in these areas at university or works in these fields who holds a pretentious, condescending attitude to anyone who has studied in any other fields, particularly the Arts and Humanities. They typically believe themselves to be more "intelligent" and "rational", while generally remaining incredibly ignorant outside of their areas of expertise and having the charisma of a rotting pig's backside.

Someone who uses google translate over urban dictionary.

Lower class of citizens - inferior, common.

Originates from ancient Rome where patricians were elite, plebs middle and lower class but above slaves.

Actually defined as a member of a despised social class, a commoner, a member of the plebs of ancient Rome. Also low-born, undisinguished, vulgar, and my personal favourite: vulgar-looking.

Other words with similar meaning: Scrut, Townie, Kappa-Slapper, Rude-Boi, Scum, Greb, Scav, &c.

Someone who is lower-class.

Actual Dictionary Definition: A commoner.