prank: a playful trick or joke performed on someone without their knowledge
Prankster Group Spreads Joy And Chaos
Improv Everywhere is a group of comedians from New York City. They perform pranks in public places to spread joy and surprise. Some missions involve many people, while others have only a few. In one prank, 16 members dressed as shopping mall workers. They spontaneously began to sing, to the surprise of the shoppers around them. In their most famous prank, 207 people suddenly froze in a train station for five minutes. The group has a 13,000-person mailing list of people invited to join their joyful pranks.
1. The children played a prank on their teacher by putting a fake spider in her desk drawer.
2. She was embarrassed when she realized that the phone call she received from Brad Pitt was just a prank from her friends.
3. She had a reputation for being a prankster and loved to surprise her friends with unexpected jokes and tricks.