Sir, your nefariousness knows no bounds.
Troll your friends and loved ones with this simple, awesome texting prank. There's nothing worse than seeing a text is being written and then not getting one. But by sending someone whose trust you no longer require a gif of the three little "composing" dots, they'll think you're composing forever (which is only slightly longer than it actually takes you to write a text). BuzzFeed community member whaleyg uploaded this idea earlier this week, and the results around BuzzFeed's office were pretty perfect. See more frustrated replies on BuzzFeed.
Of course, it doesn't work as well on BuzzFeed aficionados:
Here's that gif if you want it. We won't tell.
(by Shira Rachel Danan)