(I'm not sure if other
people use this term similarly, but feel free to use it this way)
When someone says "goodnight," they may be expressing a few
different things: surprise, laughter, or shock. Think of it as a "daaaaamn" or "lmfaooooo" or "whaaaat?" kinda
thing.
1.
Jennifer: Tom, did you hear that
Lily was impregnated by her ex-
boyfriend!?
Tom: Goodnight 💀
2.
Jennifer: *Tells a stupid joke."
Tom:
LMFAO, goodnight 💀