1. (noun)spanking the act of slapping on the buttocks "he gave the brat a good spanking"
2. (adj)alert, brisk, lively, merry, rattling, snappy, spanking, zippy quick and energetic "a brisk walk in the park"; "a lively gait"; "a merry chase"; "traveling at a rattling rate"; "a snappy pace"; "a spanking breeze"