Noun
(vulgar slang, dated) A portable container used for urination, especially in hospitals or in the absence of indoor plumbing; a chamber pot.
(vulgar slang, derogatory) A very unpleasant person, particularly a mean, nasty, or contemptible one.
(vulgar slang, derogatory) An unpleasant or disgusting place or thing.
(vulgar slang, derogatory) A large quantity.
(vulgar slang, derogatory, Australia) A consumer of large quantities of alcohol; a drunkard.
Source: en.wiktionary.org