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Webster 1828 Edition

ppr.

Striking with a heavy blow.

thwacking

thwacking ‎(plural thwackings)

The action or sound of a thwack; a beating.
- 1907, W. Jenkyn Thomas, The Welsh Fairy Book
  The next day he realised that, glorious as his hiding place was as an escape from books and thwackings, it had its disadvantages: the chief was that there was nothing to eat and drink, and that is a very serious thing for a growing boy […]