What is the most horrible thing you can do to someone, as a joke?

Question

like, as 'revenge', with a friend? :D

Answer 1

Tell him his dad was kidnapped by   and hes probably being tortured right now. Tell his dad to go shopping for a long time after work or something when your friend tries to call the police whip out a fake note that says call the police fbi or whatever and he dies. Then when he sits down his mother, have his mother interupt him and tell him shes sleeping with the neighbor, and that his dog died meanwhile the dogs out getting groomed our is being dog sat. Than when his world is falling apart have his dad and dog bust throught he door.

And warning hide all knives when pulling this joke prank so he doesent hurt himself or anyone i think i should get best because this is horrific and i was creative!  

hope i helped

Answer 2

Phone there mother and say your son/daughter has just been admittted to hospital

Answer 3

Say to them I'm going to do something to you BUT don't tell them when.

They will be paranoid and nevous for weeks.  And when they finaly let their guard...BANG!  you strike!