wat are some good pranks to play on your boss?

Question

without him knowing it was you

Answer 1

Well, you could put a plastic turd somewhere in his office.:)

Answer 2

Well if you are kinda evil you lght like this one. You prank call from your mobile phone, (hiding your number) and say the following,

"hello,this is (make up a bank name), we are thankful for your payment of (make a sum of money). The money will be transfered from your account shortly. Thank you.

Then hang up.

Answer 3

put a real grenade or time bomb in his suitcase or throw a brick athis head. both completely harmless.................for you.