porker

noun

1. A pig, especially a castrated male, being fattened and raised for slaughter.

   “Jerry Lynch, a pig's head pickled. Term usually applied to the long Irish heads which are sent over here for sale in the poorer districts of London, and which are vastly different from the heads of “dairy-fed” porkers.”

   “Again, when Harold was locked up in his room all day, for assault and battery upon a neighbour's pig, - an action he would have scorned, being indeed on the friendliest terms with the porker in question, - there was no handsome expression of regret on the discovery of the real culprit.”

   “All the other male pigs on the farm were porkers.”

2. (derogatory, slang)An obese person.
3. (British, Cockney, slang)A lie.
4. (US, derogatory, slang)A police officer.