to shake your finger or your head from side to side or up and down, often because you do not approve of something
تکان دادن, جنباندن, تکان سر دادن, جنباندن انگشت, سر تکان دادن, انگشت تکان دادن
‘Just remember what I said,’ she repeated, wagging her finger at him.
He wagged his head from side to side.