Facejoke
You post a joke or fake quote on your Facebook and your friends believe it and start telling other people like it's the truth.
'I'm in love with a cat.', 5 likes from people who still think cats are pets.
'I'm going to be a astronaut.', 2 likes from my cousin who thinks I'm already on the moon.
'I'm a genius.', 1 like from my dad who thinks I'm already famous.