noun

• (slang) Jail.
  "'I'm telling you trade secrets,' the father said, 'So don't you go talking about this to anyone else. You don't want me put in jug do you?'"
• (vulgar, slang, chiefly in the plural) A woman's breasts.
  "I was sucking my mom's left jug when I heard JD say, "Now we will experience the burden of the past.""
• (Australia, New Zealand) An upright electric kettle.
• (CB radio slang, chiefly in the plural) A kind of large, high-powered vacuum tube.
  "[…] as shown in the August 2000 issue, using a pair of my favorite jugs, 807s."

verb

• (transitive) To stew in an earthenware jug etc.
  "jugged hare"
• (transitive, slang) To put into jail.
• (intransitive) To utter a sound like "jug", as certain birds do, especially the nightingale.
  "Down in the orchard a nightingale jug-jugged, as if he, too, had dropped into a soft billet."
• (intransitive, of quails or partridges) To nestle or collect together in a covey.

noun

• (US, Jesuit schools, countable or uncountable) detention (after-school student punishment)
  "“Take a week’s Jug,” he said, “and keep your nose clean.”"

verb

• (US, Jesuit schools, transitive) to issue a detention (to a student)
  "Students would say they “got JUGged,” meaning they’d been disciplined by a teacher. Most of the time punishment entailed memorizing a passage of a text or an obscure snatch of poetry."