A small shark or dogfish (Galeorhinus, or Galeus, galeus), native of Europe, but found also on the coasts of California and Tasmania; called also toper, oil shark, miller's dog, and penny dog
To drink (liquor) habitually and excessively or engage in such drinking. A small, rough-skinned, widely distributed shark (Galeorhinus galeus) having an elongated conical snout