hammer up
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Meaning · English
To harm, defeat, or beat up (someone).
Register: slang
Where it’s used:
Used
American English
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 2
Meaning · English
To have a firearm on one's person.
Register: slang
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
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Common questions
What does “hammer up” mean?
To harm, defeat, or beat up (someone).
Is “hammer up” formal or informal?
hammer up is generally slang.
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