thwack
🇺🇸
/θwæk/
🇬🇧
/θwæk/
A loud sound made by hitting something hard, or the act of hitting something hard to make that sound.
The thwack of the ball against the racket echoed through the court.
To hit something hard, making a short, loud sound.
He thwacked the table with his hand to get everyone's attention.