Exactly right. Origin: British english. Also "spot on."

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.

To talk too much, about nothing in particular

Dublin slang for someone who is sound

Scouse slang

Total opposite to what it normally means.

It means wrong,al ass,out of order.

To abruptly hang up the phone on somebody