Less serious than getting together or dating. Spending time with someone in the context of friendship or in the context of casually exploring whether you like someone as just a friend or maybe more than a friend.

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. When people chill and do things together

2. The term assholes use when they have no intentions of doing anything but fucking

A place where people can hang out. Duh.

verb (informal)
to socialize with in public

Comes from the formal meaning of "hang out": to protrude or stick out. Hence, the use of "out" for public. Not to be confused with "hang with", which is an umbrella term that includes socializing publicly or privately.

Adolescent practice of spending aimless unstructured time together with someone else, often until both people get bored enough to have sex and go their separate ways. Often confused with dating.