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!
by Dropkick Johnson January 07, 2011

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt
Top Definition
A movie marathon with all of the movies featuring actor Michael Cera.
We should totally have a Cerathon! I haven't seen Scott Pilgrim vs. the World or Youth in Revolt yet!
by KidBlurr January 07, 2011

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt