dppt

/D P T/
noun
  1. 1

    (fandom slang) Abbreviation of Pokémon Diamond, Pearl and Platinum.

  2. 2

    (medicine) Initialism of diphtheria, pertussis, poliomyelitis and tetanus (“a vaccine”). [(pathology) A serious infectious disease leading to inflammation of mucous membranes of the upper respiratory tract, caused by Corynebacterium diphtheriae.]