For office jargon, it's maybe not a practical matter, but I could see a friend being a little put off by someone speaking in office jargon to them. Office jargon is sort of impersonal by design
>Office jargon is sort of impersonal by design
That's one of it's functions. Instead of going over each time that the thing happening isn't personal and shouldn't be taken as such, you can utilize the jargon to keep it clean. After all, it's just a job where everyone tries to play their role to produce something. It hurts much more badly if you confuse the office work for a social interaction and things don't pan out at some point.
Consider Cockney Rhyming Slang, which is intended to be insider-only speech.
Consider the rise and then mass-adoption of Valley Girl.