The one who does the actual fucking.

As opposed to the fuckee, who is the one getting fucked.

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.

1. One who fucks (has sexual)
2. Insult that has lost most of its meaning.
3. General term for a person.

General group of people who act in ways that cause severe annoyance and anger in others. Often resulting in bitterness and severe hatred to said group of people.

Someone that is acting like an ass. Someone that is being annoying or did something stupid but mean, like a prank.

CHEATER. Especially those that abuse their authority. As in fucker (suggests extreme). Low life, un-trustworthy idiot.

A complete asswipe with no reason to live