... sewage runs off into the ocean. run out of + not have any more of something We ran out of milk this morning, so we need to go to the store. ListofEnglish Phrasal Verbs Beginning With 'S' ... traffickers off. run * off reproduce (photocopies) Would you mind running off 10 copies of this document for me? run off leave quickly Why did you run off after the party? run off waste water ... now. go off explode The bomb could go off at any moment. go off begin, start (used with signals, alarms, warning sounds) The alarm clock went off at 6:00 AM. go off stop (said of a machine)...