noun

• (uncountable) A once-popular game of cards played by three people.
  "Lady Loadstone: Laugh, and keep company, at gleek or crimp. / Mistress Polish: Your ladyship says right, crimp sure will cure her."
• (countable) Three of the same cards held in one hand; three of a kind.

noun

• (informal) A stream of saliva from a person's mouth.

verb

• (obsolete, transitive) To ridicule, or mock; to make sport of.
  "I have seen you gleeking and / galling at this gentleman twice or thrice."
• (obsolete, intransitive) To jest.
  "[…] that ſome honeſt neighbours will not make them friends. Nay, I can gleeke vpon occaſion."
• (obsolete, intransitive) To pass time frivolously.
• (informal) To discharge a long, thin stream of liquid (including saliva) through the teeth or from under the tongue, sometimes by pressing the tongue against the salivary glands.
  "i just push the tip of my tongue against the roof of my mouth and saliva squirts out in a groovy little arc. i think you'd really have to see it to know what i am talking about. but you can gleek best right after chewing big red gum."

noun

• (slang) A geek who is involved in a glee club, choir, or singing.