Definitions

1. verb

to cut or knock something roughly, often with a dull or blunt instrument

“The clumsy worker chacked the metal pipe, leaving a rough edge.”

2. noun

a rough or clumsy cut or blow

“The chack on the car’s bumper required a trip to the body shop for repairs.”

3. onomatopoeia

a sharp, metallic sound

“The chack of the old key turning in the lock was music to her ears.”