This is something the title couldn't describe well, but often in online games you'll have random sound snippets (or possibly mic spam) to play when something happens when you typed a command or someone died multiple times. Stuff like this:
I heard countless times in a old team fortress classic server and it has that sense of old internet where random shit happened for shit and giggles. What about you? Any stuff like this you found to be funny or entertaining? Be it just random dumb jokes or even someone spamming something over the mic to annoy everyone?