Box the ears is an old colloquial phrase that translates to delivering a hit to the side of someone's head. There are various other words and phrases to describe this action that are less violent and more professional-sounding. Some of these include "slap on the wrist," "tap on the shoulder," "clip on the ear," "cuff on the head," and "bop on the noggin." These expressions are often used in a metaphorical sense, to indicate a gentle reminder or scolding, rather than a true physical act. They provide a more diplomatic and respectful way of communicating, without resorting to the aggressive tone of "boxing the ears.