To slap a child on the bottom as a form of punishment or to show disapproval.
Spanking is a controversial form of discipline.
Examples:
She spanks the child for misbehaving.
He spanks the baby's bottom gently.
The mother spanks the naughty child.
The naughty puppy spanks the cat's tail.
He spanks the table to show his frustration.
The wind spanks the flag against the pole.