We had something similar at work a year or two back. Using an old pile of dried up glue (it was a big brown pile) that looked like a pile of poo... it was set on the seat of an office toilet.
Office manager comes in and says OH. MY. GOD!!!!... puts an out of order sign on the door after everyone sees just how gross one of their coworkers supposedly is...
Until the prankster goes over and picks it up... hee hee.
It was pretty funny.
We tent to be more about hiding fake mice in various common places people put their hands... like next to their computer mouse... or a large fake rat in a file drawer. (works great since we have an on again off again rodent issue.)
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Nee Stell Thue
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