This absolutely useless userscript edits your last message to some random food ingredient as stackoverflow tag!
Because I felt like it!
Some Javascript here, some request there, some... Oh? You were asking how to install?
- Install TamperMonkey for Chrome / for Firefox or Greasemonkey for FF
- Click to install
- Tampermonkey/Greasemonkey should open up and give you the option to install the extension
Oh right! You have to use it somehow, don't you... Nothing simpler as that. Your chat will have a new button right next to your input area. Click it and bang! Cabbage! Or peas! Or whatever!
Probably not as dark in the back but just as button.