Working always feels like walking a tightrope between being professional, and being sarcastic. If you're always sarcastic, your bosses won't take you seriously. But if you're always professional, then how will you maintain what little life force you have left? 

A few entries in this collection of Thursday work memes touch on the sarcastic to serious work-mood pendulum, but another meme offers the solution. "I'm just mean, and y'all think I'm kidding." 

Being mean allows you to stay serious all the time, while still having a go at the people who drive you nuts. No wonder every older coworker is such a grump. They've discovered the secret!