English · Phrasal verb Attested

smack up

In real, traceable use. Part of the curated seed collection; community review is coming.

Sense 1

Meaning · English

To beat up physically.

Where it’s used: Used American English

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).

Meaning · English

To use heroin or be intoxicated on heroin.

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

What does “smack up” mean?

To beat up physically.

Is “smack up” formal or informal?

smack up is generally informal.

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