Definition of "puppy"

puppy

/ˈpʌpi/

noun
plural puppies
1. A young dog, especially before sexual maturity (12–18 months)
2. A young rat.
3. A young seal.
4. (slang, usually in the plural) A woman’s breast.
  Quotations
  Unclasp your bra and set those puppies free.
  2007, Rodney Carrington, Show Them To Me (from the album King of the Mountains)
5. (informal) A (generic) thing; particularly something that is a nuisance; a sucker.
6. (derogatory, dated) A conceited and impertinent person, especially a young man.
  Quotations
  I found my place taken by an ill-bred, awkward puppy with a money bag under each arm.
  1711 July 24 (Gregorian calendar), [Joseph Addison; Richard Steele et al.], “FRIDAY, July 13, 1711”, in The Spectator, number 106; republished in Alexander Chalmers, editor, The Spectator; a New Edition, […], volume II, New York, N.Y.: D[aniel] Appleton & Company, 1853
  I ne'r vvith VVits and VVitlings paſt my days, / To ſpread about the Itch of Verſe and Praiſe, / Nor like a Puppy daggled thro' the Tovvn, / To fetch and carry Sing-ſong up and dovvn; […]
  1735 January 13 (Gregorian calendar; indicated as 1734), [Alexander] Pope, An Epistle from Mr. Pope, to Dr. Arbuthnot, London: […] J[ohn] Wright for Lawton Gilliver […], page 12, lines 218–221
verb
third-person singular simple present puppies, present participle puppying, simple past and past participle puppied
1. (transitive) To bring forth whelps or give birth to pups.