john

noun4

1. •
   (US, slang) A device or place for urination and defecation: now usually a toilet or lavatory, but also (dated) a chamber pot or outhouse.
2. •
   (US, slang) A prostitute's client.

   • The girls sat there while the johns (customers) moped around giving them the once-over. — 1946
3. •
   (slang) A Western man traveling in East Asia.
4. •
   A male mule.

noun2

1. •
   An excuse, chiefly made by a losing player for their poor performance.

   • Remember, no Johns.
2. •
   (UK, slang) A new recruit at Royal Military Academy Sandhurst.

   • To avoid bullying, first-year “Johns” (from Johnny Raw) “fagged” for senior classmen known as “Regs.” Fagging included making beds, running messages, and smuggling contraband. — 2017