Generally, intelligent people. Often criticized for their ability to think for themselves and for going against the rules of the normal people.

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.

people that can read eachother minds and comunicate telepathically. people that edit eachother spelling mistakes. people that make up ridiculous plans and build on them to ammuse themselves. people that like to make fake farting noises.