Simply place their email address on a goofy newsletter or mailing list of your choosing. Not sure where to start? The Ferret Association of Connecticut publishes three regular newslett… 展开

Just so we're clear on this one, there aren't actually any deer. Notseeing deer is not a huge disappointment, though, which amps up the "harmless prank" factor here. 展开

Here's a roommate-specific example: hide their toothpaste and socks, but tell them you hid their toothpaste, socks, and comb. Reveal the truth whenever! 展开

You can find a nice box of pirate "doubloons" on Amazon. Hide them around the house and watch your loved ones believe, briefly, that they found some real and cool money… 展开

This prank, which comes courtesy of BuzzFeed, is simple and potentially very expensive. To pull it off, you must acquire four versions of the same hat, each a slightly different … 展开