Funniest prank/joke you ever pulled

[ThisIsOurDay123]

Ok one time i was bored i told my friends that we should go to the mall. So we did i bout a tub of mayo and empty it and filled it with the marshmellow stuff. I was walking around the mall eating marshmellow while ppl were looking at me lik im crazy

 

[TheDreamsComeTrue]

One time I said "mammal" and everyone said "/dead"
They laughed so much...I made them die

 

[StarTunnel]

My cousin and I stayed up one night until 4 and then woke up her little sister by slapping her with a piece of salami. We then stuck a green bean in her ear and asked her who ran over the squirrel. She was confused to say the least.