A threat indicated by the raising of one eyebrow while lowering the other, tilting the head, and staring into the eyes of an opponent. Made famous by Dwayne Johnson, better known as "The Rock".

Indicates that the targeted opponent needs to know his/her role and shut his/her mouth.

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.