A Bucket O' Chum, easily made with a couple of fish, would fill the players bucket with fish guts!
Throwing the Bucket O' Chum on another player would cause their vison to be obstructed (similar to vomit), and for Sharks to swarm them if they jump into the sea!
Throwing a Bucket O' Chum into the sea will cause sharks to swarm and become aggressive!
-Happy sailing
Uber Terror