IDIOMS

cut off

(idiomatic, drive) To swerve in front of (another car).

Example: To remove via cutting.
To isolate or remove from contact.
1956 — Arthur C. Clarke, The City and the Stars, p 37
  The entranced spectator was cut off from reality as long as the adventure lasted; it was as if he lived a dream yet believed he was awake.
To stop providing funds to someone.
  His parents cut him off to encourage him to find a job.
To end abruptly.
  My phone call was cut off before I could get the information.
  That dingbat cut me off as I was about to conclude my theses.
simple past tense and past participle of cut off