noun: An elaborate prank used to make someone think they have short term memory loss. Just change details around the house and show them a video of stuff that happened in "the future." Like the movie 50 First Dates
John: "I woke up and my family had this video of all my family and friends talking about what's changed in life. They had a video saying Sarah Palin became president.. They even brought out a baby and said it was mine!"
The act of getting a group of people to all get on to a certain person's Facebook page and like everything on that page. When that person gets on Facebook later, they will have hundreds of notifications.
Ex. John: "Dude I got onto Facebook and had 143 notifications! I was excited until I realized it was because of you asshole dropping a notification bomb on me."