thwack

thwack is defined in Webster's Unabridged Dictionary (1913) with 2 senses. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.To fill to overflow. [Obs.] Stanyhurst.
  2. 2.A heavy blow with something flat or heavy; a thump. With many a stiff thwack, many a bang, Hard crab tree and old iron rang. Hudibras.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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