Basically, having numerous conversations at once with the same person, like having a conversation on Facebook, Yahoo Instant Messenger and the phone--all with the same person. This usually occurs when you have absolutely nothing else to do.
Jim: hey, did you see that picture that Amanda posted?
Colin: yeah! Some of her tagged friends were really hot so I kept creeping, and somehow ended up creeping her best friend's boyfriend's cousin's mother in law.
Jim: dude, you just full out chainstalked like 8 people deep.
Colin: don't act like you don't enjoy chainstalking.
In a large corporate Zoom/Teams meeting, attendees with nothing to add to the conversationmake up for it with banal, cheerleading and good vibes in the meeting chat to make sure they are seen.
stealthily following people who are walking through the carpark to their cars while driving your car. usually performed when desperate for a parking spot, so you'll follow anyone who looks like they're leaving.