1. attacking or spraying someone with mace (pepper spray)
Usage: present participle of ‘mace’

Examples

• The security guard was macing the unruly protester.
• She threatened to start macing anyone who came too close.
• The police officer was accused of macing peaceful demonstrators.
• After macing the attacker, she ran to safety.
• The store owner kept macing would-be robbers.
• They were macing each other during the riot.