Archive for January 19th, 2012

Thursday Morning Riddle

Thursday, January 19th, 2012

I’m a warning that’s given so one may prepare;
I’m a sign that you post when you need to declare;
I’m to casually see, thus becoming aware;
And I’m word to your boss you’ll no longer be there.

Who am I?

UPDATE: Riddle solved by Asher. See comments for answer.