an act of hitting somebody, especially a child, several times with your open hand, as a punishment (打)一个巴掌;(用巴掌)一顿揍 He gave both of the children a good smacking. 他把两个孩子都狠揍了一顿。 We don't approve of smacking. 我们不赞成打孩子。 I’ll give you a good smacking when we get home! 我们到家时,我会狠狠地揍你一顿!