Chumbich
The person on a fishing boat who is responsible for making the chum and putting it in the water to attract fish. In some cases it is necessary for chumbich to jump into the water and splash around in the chum to attract fish.
Dan: Hey Jake, can I try driving the boat or using one of the fishing rods?
Jake: Shut up chumbich and jump in the water with the fish guts.
Jake: Shut up chumbich and jump in the water with the fish guts.