A phrase not often heard nowadays, much like "forgive me" and "I'm a virgin."

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. an expresion of gratitude used primarily as a formal, friendly, social obligation.
2.When used in it's true form (not merely out of obligation) it is an expresion of respect and appreciation to another soul (and simultaneously to all beings) for the unconditional kindness that has been bestowed upon you.

Used to express sincere gratitude after a rewarding event

A phrase which expresses gratitude.

something you say when someone does something nice for you

Something you should say after receiving a service.