thwack
verb (used with object)
to strike or beat vigorously with something flat; whack.
Used to express actions, events, or states that have not yet occurred but are expected to happen.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
On a bad day in the palm forest, McLaughlin says, the funnels will thwack with the sound of palm-size cane spiders and invasive giant cockroaches hitting the Teflon-coated plastic cones.
From Science Magazine ● Aug. 27, 2020