Appearing at the end of the 19th century as a blend of java +‎ mocha, by the 1920s it became slang for someone who lacked mental abilities beyond that of a cup of coffee, probably influenced by moke. In the 1960s it also began to be used as slang for male genitalia.

This term may be the origin of cup of joe and joe; see those entries for more.



jamoke (countable and uncountable, plural jamokes)

  1. (uncountable, slang) Coffee.
    • 1957, Samuel Morison, History of United States Naval Operations in World War II (Illinois 2002), page 71:
      The chartroom door popped open before the startled admirals in the cockpit, and the beaming face of the boat's cook appeared to offer the hospitality of his craft, thus: “Would yer Majesty like a cuppa jamoke?”
  2. (countable, slang) Stupid person, fool.
    • 2004, Dan Johnson, The Molotov Box (Xlibris 2004), page 24:
      You and I both know that this is not enough money for the President and it's too damn much for some jamoke in the Bronx.
  3. (countable, slang) Penis.