tie off

Verb

tie off (third-person singular simple present ties off, present participle tying off, simple past and past participle tied off)

1. (transitive) To close, seal, or end something by tying a knot.
2. (transitive) To close (something) with string, thread, etc.
3. (informal, intransitive) To tie something around the arm in order to restrict blood flow for the purposes of intravenous drug injection.
   • She gave the Times an interview and let herself be photographed, she stroked the pastry chef’s ego, she stayed late and bagged up the spoiled meats in privacy, she fired the dishwasher who’d tied off in the john, and every lunch and every dinner she dogged the line and troubleshot.2001, Jonathan Franzen, The Corrections