English · Phrasal verb Attested

run off on

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

Sense 1

Both English Tiếng Việt

Meaning · English

To suddenly or ferociously attack (someone), usually physically.

Nghĩa · Tiếng Việt

Tấn công đột ngột

Machine-translated — suggest a fix

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).

Both English Tiếng Việt

Meaning · English

Synonym of run out on.

Nghĩa · Tiếng Việt

Bỏ rơi

Machine-translated — suggest a fix

Sources & notes

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

What does “run off on” mean?

To suddenly or ferociously attack (someone), usually physically.

Is “run off on” formal or informal?

run off on is generally slang.