His splenetic father threatened to spank him if he didn't behave himself. - Son père atrabilaire menaçait de lui donner une fessée s'il ne se comportait pas bien.
An instance of spanking, separately or part of a multiple blows-beating; a smack, swat or slap
If someone spanks a child, they punish them by hitting them on the bottom several times with their hand. When I used to do that when I was a kid, my mom would spank me. A slap on the buttocks. to hit a child on their bottom with your open hand, as a punishment = smack (From the sound)