Singapore Clam Chowder
An action in which the person of interest lying in a bathtub, with a group of men surrounding him or her. The men then ejaculate on the bathtub, forming the chowder, they then turn around and shit on the tub, forming the "clams".
Benjamin was feeling a little feisty today, so he called up a couple of buddies to prepare the Singapore Clam Chowder.