Thanks!

Can’t believe I didn’t find those, guess I should have searched for platinum. Guess I’m off installing xfce.

It’s used as an informal way to tell someone that you wish them “luck”/“succes” during work. The English equivalent would be: “Have fun/good luck at work”. It’s something like that, I’m finding it quite difficult to literally translate it because it’s more of a cultural meaning than any official definition.