Been a loong time since I played, and way longer than that since I played actively. I can remember a few though.

The billion times I accidentally attacked groupmates and cabalmates because they have the same first few letters of whatever we were ranking on/attacking. Im a lazy mofo when it comes to typing

Some IMM trying to send me echos while I'm sleeping, and me waking up right away every time because I couldnt figure out what was going on. Pretty much had to send me an OOC tell to let me know to stay sleeping and that I was a moron

Getting canoe whacked a bunch back in the day in my early teens (rl age) because I thought it was way fun to play a healer that didnt use communes, and instead handed out healing potions. I would mix in those false healing potions in the maus and play innocent. This was way back when numbers were up and everybody playing wasnt a long time vet like nowadays.

I've gotten groups lost in no recall areas, died to well known death traps, and got kicked out of herald for sewing gloves made from elf penises. My whole CF career was pretty much cringeworthy.