"You canker blossom!" 3 Shakespearean Insults
sea fish, c.1600, pollock, alteration of Scottish podlok, of unknown origin, perhaps from poll (n.) "head." Possibly the alteration is by influence of Pollack "Polish person."
A Pole or a person of Polish extraction •It is curious that this word is somewhat pejorative in English even though it is the Polish word for ''Pole'' (1879+)