(engineering) A device for cleaning or inspecting the inside of an oil or gas pipeline, or for separating different substances within the pipeline. Named for the pig-like squealing noise made by their progress.
(pejorative) A person who is obese to the extent of resembling a pig (the animal).
(US, military, slang) The general-purpose M60 machine gun, considered to be heavy and bulky.
(uncountable) A simple dicegame in which players roll the dice as many times as they like, either accumulating a greater score or losing previous points gained.