plbr.

Noun

plumber (plural plumbers)

1. (dated) One who works in or with lead.
2. One who furnishes, fits, and repairs pipes and other apparatus for the conveyance of water, gas, or drainage.
   • Mario and Luigi's profession is plumbers.
3. (slang) A person who investigates or prevents leaks of information.
   • It involved the break-in of the office of Mr. Lewis Fielding, Daniel Ellsberg's psychiatrist, by the White House “plumbers.”1979, United States. Congress. House. Permanent Select Committee on Intelligence. Subcommittee on Legislation, Espionage Laws and Leaks: Hearings Before the Subcommittee...
4. (UK, informal) In the Royal Navy, an apprentice, a boy aged 16 to 18, who is trained in technical skills at the Dockyard Schools to become an artificer.
5. (derogatory, slang) A urologist.
   • […] began the month with an operation at St. Joseph Hospital in Aurora, Ill. His surgeon, by the way, was a "plumber” – urologist.1958, Father Provincial Assumption B.V.M. Monastery, The Chronicle, volumes 12-13, page 39

See all 10 meanings of plumber