porker

noun

Etymology: From pork + -er. * (obese person; police officer): Carried over from the same senses of pig. * (a lie): Extension of the rhyming slang pork pie.

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.”

   “In every vacant space new houses are being built, and all sorts of odd little cooking-sheds are erected against the old ones, while in some out-of-the-way corners, massive log pigsties are tenanted by growing porkers; for how can the Chinamen exist six months without one feast of pig?”

2. An obese person.
3. A lie.
4. A police officer.