hammer up
verb1
Slang To harm, defeat, or beat up (someone).
2
Slang To have a firearm on one's person.
verb — 2 senses
Slang To harm, defeat, or beat up (someone).
Slang To have a firearm on one's person.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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