thwack
verb (used with object)
to strike or beat vigorously with something flat; whack.
Used to describe an ongoing action or continuous state that was happening at a specific time in the past.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
He was thwacking his paws in the muck, chasing the sudsy waves.
From "Dog Squad" by Chris Grabenstein
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