Definitions by Shins.

Ass Kraken 

A dump so devastating, so brutal, so painful, that the fallout from it is equivalent to that of the Kraken.

Guy 1: Dude, what is that smell?...And that noise?

Guy 2: I just released the Ass Kraken

Guy 1: Oh man, I'm sorry....

Ass Kraken by Shins. March 2, 2011