It sank
From Digibutter.Nerr Wiki
It Sank is a fad started by Mama Luigi. Shadow Articuno techincally started this fad.
History
Mama Luigi posted a thread that phailed. Of course, SA had to curropt it by posting a pic that said all aboard the fail boat! Mama Luigi replied with somethign that would be remembered i nthe midns of everyone evrywere- It sank. Mama Luigi thought the phrase sounded cool, and started maing topics called It sank. One topic, It sank (Topic) was 20+ Pages with it sank.
The phrase is now used as a phrase for when somenody fails at a certin thing.