smack up
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Meaning · English
To beat up physically.
Register: informal
Where it’s used:
Used
American English
Examples
They might even smack her up a bit but not too much.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 2
Meaning · English
To use heroin or be intoxicated on heroin.
Register: informal, slang
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “smack up” mean?
To beat up physically.
Is “smack up” formal or informal?
smack up is generally informal.