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15 April Fools' Day Pranks That Just Might Get You Fired

Happy April Fools’ Day! What better way to celebrate than by pulling a few not-so-harmless pranks on your co-workers? Here’s a list of our 15 favorite April Fools’ pranks. Have fun – and try not to get fired!

  1. Tape a small scrap of paper to the bottom of a co-worker’s mouse. It’ll take them at least five minutes to figure out why their mouse isn’t working.
  2. Tape an air horn under a co-worker’s chair. This is especially funny for a co-worker who’s always late, because everyone will know the second they sit down.
  3. Steal some office supplies, mix up some jello, pour the office supplies and jello into a mold, and place back on your co-worker’s desk.
  4. Wrap everything in a co-worker’s cubicle – their chair, computer, everything – in plastic wrap or aluminum foil.
  5. Wrap a co-worker’s phone in rubber bands so they can’t answer their phone.
  6. Cover a co-worker’s car in sticky notes. Bonus: write mean things on said sticky notes.
  7. Replace hand sanitizer with personal lubricant.
  8. Change the language on someone’s computer.
  9. Take something from a coworker’s office and leave a ransom note. Even better, hide the stuff you stole in another unsuspecting co-worker’s cubicle.
  10. Cover toilet seats with plastic wrap.
  11. Switch the keys around on a coworker’s keyboard.
  12. Leave a note on a co-worker’s car “apologizing” for “hitting their car” – even better, leave another coworker’s number on the note
  13. Seal your co-worker’s cubicle off and stuff it with balloons. Or trash. Whatever works.
  14. Flip your co-worker’s screen upside down by pressing Ctrl+Alt+Down Arrow (don’t worry, it’s reversible; just press Ctrl+Alt+Up Arrow to correct it).
  15. Finally, the prank that will definitely get you fired: Switch out the usual coffee in your office’s coffee maker with decaf.
Last Updated: April 15, 2015