Top definition
The art of placing a large dip (snuff, not chew) between your lip and gums. Packing a hammer is the same as saying that you're going to pack a fatty, but a different way of saying it.
Adam: "Hey Tony, wanna go pack a hammer?"

Tony: "Is that even a question? Of course I do!"
by dipmasterwintergreen May 05, 2014
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