A movie marathon that consists entirely of films containing Michael Cera as the main character. These marathons are to be viewed in chronological order by release date.
-Term coined by a proven Master of the Internet, and therefore not my credit.
Dude 1: Hey bro, you up for (arguably cool activity)?
Dude 2: Nah dude, I'm headed to watch a Cerathon at another bro's house.
Dude 1: That blows (arguably cool activity) out of the water! Can I go too?
Dude 2: Sure!
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.