So /f/ posted this shanty about how this kids father was a pirate came to his town fucked his mother then ditched the kid. The kid the kid then goes on to hunt down, and kill his father. Then they get eaten by a whale.
>INB4 this sounds retarded
What you're looking for is "The Mariner's Revenge" by The Decemberists.
Here's a link to the archived flash animation featuring said song on 4plebs, posted January 6th: https://img.4plebs.org/boards/f/image/1436/92/1436920709296.swf