Hang up teabags outside someones room. It's excellent to do this to your roommates for an extended period of time, eventually they will lose it! You'll see :)

Many people use their smartphone all the time, so one of the best ways to mess with them on April Fools' Day is to mess with their smartphone.

Pick a 'needs to know it all' friend from your group, and send a text about a juicy secret.