spanking

spank·ing

spanking

a.
  1. Moving with a quick, lively pace, or capable of so doing; dashing.
    Four spanking grays ready harnessed.
    — G. Colman, the Younger.
  2. Large; considerable. [Colloq.]
  3. Very; extremely; -- used especially in the phrase spanking new or brand spanking new, meaning completely new and unused. [informal]