"Packed a rod" is an informal phrase that means to carry a firearm or a gun. There are several synonyms for this phrase, including "carried a weapon," "brought a piece," "armed with a pistol," and "had a gun on hand." These phrases are often used by individuals who want to convey that they are carrying a weapon for protection or self-defense. While the use of weapons is controversial, it is important to note that in some situations, the use of a firearm could be necessary for personal safety. However, before carrying a weapon, it is important to follow all applicable laws and regulations to ensure user safety.