A term used for describing pathetic, worthless, and/or hopeless work. Derives from Latin 'plebius' (which means 'of common people') and carries elitist connotations from the user of the word.
PYTHON-532 on the MongoDB bug tracker is an example of utter plebbery--some newb who shouldn't have had commit rights wrote terribly insecure code.
A person who gains fame quickly through reality TV. Mainly common people who are willing to publicly degrade themselves, and those who see reality TV as a quick way to recognition and money.