I was on a chatroom with several other people, but it was mostly quiet. We were awaiting the time when gravity would stop working and earth would've gotten sent into interstellar space and everything was going to die. Once new years hit I typed "anyone still here?"... And everyone else said something similar too. We all ignored each other for a solid 5 minutes, it was hilarious.

I also walked out of my room and jumped and mom looked at me funny... I told her I was wanting to see if gravity still existed, and threw a paper airplane to see if Newtonian physics also stopped. She rolled her eyes, then I went back into my room and continued 'chatting'.
Several people in my family spent a ton of money for the "end of the world" to occur. It was so bad that the local hardware stores (Ace, Home Depot, Lowes, etc) had a huge amount of returned generators in the next few days.
The only Y2K thing I encountered. The power company's automated system sent out bills for "past due" bills dated 19100. It wasn't caught until the morning so only a quarter of the customers received a bill. We got one, and we should have kept and framed it.
I had an old no-name computer with a 30MB HD, 25MHz running windows 3.1 and the date on it was fine.
My old crap Casio watch had the correct time/date too.
You want the real Y2K? 03:14:08 UTC on 19 January 2038. At that point time will "roll back" on computers and start over. The way to fix it is to upgrade hardware & software.
Wikipedia has a good article on it. Good thing computers in the last 15 years hardware side are fine and software is getting pushed to 64bit. 64 bit computing should make us good until December 4,
292277026596. So were good for the next 292,277,025 millennia.
However my favorite "end of the world" prediction was 1998. The "year of the beast". In 1998 there were 3 Friday the 13ths that year. 1998 divided by 3 is 666.

Fri, Feb 13, 1998
Fri, Mar 13, 1998
Fri, Nov 13, 1998