ENGLISH
REFERENCE

jack around

phr. v..
C1 Advanced Oxford American English Informal

phr. v.. to waste time doing things that are not important, or to treat someone unfairly by changing your mind or being dishonest.

phr. v.. to engage in idle or frivolous activity; alternatively, to treat a person in a deceptive, inconsistent, or manipulative manner.


SIMPLE

Stop jacking around and finish your homework.

CONTEXTUAL

The company kept jacking him around about the start date, so he eventually looked for another job.

COMPLEX

While the interns were jacking around in the breakroom, the senior partners were finalizing the merger that would determine the firm's future.

Particles
around
Separability
optional
Pattern
jack + (object) + around
Usage

often used in the progressive tense to describe ongoing annoyance or wasted effort.

Teaching tip

this is a more casual and slightly more aggressive alternative to 'mess around' or 'fool around'; it is common in North American speech.

Pitfall

He jacked around me for weeks.He jacked me around for weeks.when used to mean 'treating someone unfairly', the object usually goes between the verb and the particle.

© 2026 English Reference