Don't you mess with Bob Mess.
The most effective passive-aggressive "do not disturb" sign in office history.
Do not buzz.
Ben was out on vacation for a week, but came in to work to use the computer in his office. Since he was technically not in, and on his own time… he had the door closed, and a funny “do not disturb” note posted in the window.
The funniest "Do Not Disturb" sign ever!
Employers must know that 30 minutes of napping increases productivity.
"Do Not Disturb" sign on someone's roommate's door
Doing it for a good cause.
Michele doesn't like being wakened. Seriously.
A true gamer's sign.