if you have a narrow hallway with two doors opposite of each other (like dorms) with people in each take a string and tie it somewhat loosely to connect both of the doors then knock on both doors at the same time and whalla you prank is successful.
or if your friend has a phone where you can set the ringtone make it really loud gunfire and then call them
funny pranks: 1.)put laxative(something makes you poop like crazy) in brownies and give them to people(it'll make them poop a lot) 2.)go around telling people that their socks are untied. 3.) wrap the toilet with clear plastic wrap 4.) put sticky notes all over a persons room.
What u will need is a can of soda and a thumb tack (the soda is optional) Step 1. Poke the bottom of the can using the thumb tack Step 2. Let ALL the soda pour out into a cup Step 3. Put the soda down and wait for someone to approach it and after they have open it u jump out and yell APRIL FOOLS