Replace Oreo filling with toothpaste.
Photo: YouTube
Saran wrap the toilet.
Photo: YouTube
Cover someone's car with Post Its.
Photo: abelman/Flickr
Saran wrap a car.
Photo: cdevers/Flickr
Put flour in the hair dryer.
Photo: YouTube
Fill someone's office or cubicle up with balloons.
Photo: kalebdf/Flickr
Mix Sprite and Soy Sauce and pretend it's Coke.
Photo: YouTube
Fill a donut with mayonnaise.
Photo: whizchickenonabun/Flickr
Sprinkle baby powder on donuts to make them like like they're covered in powdered sugar.
Photo: YouTube
Wear a headless mask in public.
Photo: YouTube
Cover a co-worker's desk with toilet paper.
Photo: kalebdf/Flickr
If you don't want to use toilet paper, you can use aluminum foil...
Photo: lifeasart/Flickr
... or newspaper...
Photo: krisza/Flickr
... or wrapping paper.
Photo: tuliobertorini/Flickr
You could wrap the entire cubicle to make it look like a present.
Photo: tuliobertorini/Flickr
Fool a co-worker by covering their office with "dirty" diapers.
Photo: cdharrison/Flickr
Collect leftover paper shreds and fill up your neighbor's cubicle.
Photo: masterslate/Flickr
Print a fake parking ticket.
Photo: Google/Flickr
Saran wrap the shampoo bottle
Photo: YouTube
Put shaving cream on your friends' hands while they're sleeping.
Photo: YouTube
Draw a spider on the toilet paper roll.
Photo: YouTube
Make a garden out of the keyboard.
Photo: leef_smith/Flickr
Connect your wireless mouse to someone else's computer. It'll drive them insane!
Photo: Getty Images
Cover an onion with caramel and pretend it's a candied apple.
Photo: YouTube
Replace toothpaste with wasabi.
Photo: YouTube
Cover someone's phone with rubber bands. It'll be sure to frustrate them!
Photo: iHeartRadio
Put a friend's hand in warm water while they're sleeping and they might pee their pants!
Photo: YouyoutubeTube
Change the time on someone's clock.
Photo: Getty Images
Pretend like you put a gross bug under a cup with a note that says "do not open unless you plan to kill it."
Photo: Getty Images
Swap out a friend's loyalty card for yours, that way whenever they make a payment, you'll get the loyalty points.
Photo: Getty Images
Mix baking soda into ketchup for an explosion.
Photo: Flickr
The classic air-horn-behind-the-door prank.
Photo: Flickr
Stick a coworker's belongings into a vending machine, just like Dwight did on "The Office." If you can figure out how to get stuff inside...
Photo: Flickr
Hide in the shower dressed as a clown and scare your friends when they come into the bathroom.
Photo: Flickr