Whats a good prank to pull on my friend???

Question

Welll . . . i need some good ideas for an awesome & believeable prank. IDEAS IDEAS IDEAS =)

Answer 1

put a cow in the upper stairs in his house!

Cows are too top heavy to go down stairs but they can go up just fine!

Only way to get them down is with a crane  

Answer 2

prank call her on your mum's fone and say something like

Merry Christmas

In an Italian voice: Hello this is pizza delivery may i take ur order

Alien noises to freak her

make up ur own language

say in a mans voice: I'm still waiting for you on prince Charles road to go pub u still goin?

lol stuff like tht

Answer 3

raid all his/her undergarnments (:

Answer 4

put salt on his toothbrush, take hair clippings (next time you get your hair cut) and put it deep in his shoes, put a bumber sticker on his car that says, "40 isn't old, if you are a tree!" or "proud supporter of p**n". put vaseline on his icecubes.