Take a squirt gun into the rest room stall next to someone and shoot little drops over the wall every couple of seconds while pretending to pee.
Two brunettes and a blonde are attempting to fix a roof. While they are on the roof, a herd of cattle run by and knock down the ladder and leave a big pile of poop behind. The two brunettes decide to make the blonde check how deep the poop is so they can jump down. So the blonde jumps down and yells, "It's only ankle deep." So the two brunettes jump down and scream, "What are you talking about?! It's up to our heads!" And the blonde replies, "Well, I jumped in head first."
Change the coffee in the office coffee maker to decaf.
A woman walks into a restaurant and sits down. As she bends down to reach into her purse for her wallet, she farts loudly with the waiter right behind her. She sits abruptly back up, glares at the waiter and shouts “Stop that!” To which the waiter replies, “Sure, which way did it go?”
How do you embarrass an archaeologist? Give him a used tampon and ask him what period it came from.
Q: What did the pedophile say when he was released from prison? A: "I feel like a kid again."
Fill someone's hair-dryer with baby powder.
Put tape over the optical sensor of someone's mouse.
Did you hear about the man who drank 5 gallons of tea? He drowned in his teepee!
Q: What can popsicles do that men can't? A: Come in five flavors.
Place a pair of pants and shoes inside the only toilet stall in a rest room to make it appear someone is using it all day.