choker

noun7

1. •
   One who, or that which, chokes or strangles.

   • The Yorkshire Choker, a serial killer who quotes Shakespeare, is pursued by Dalziel and Pascoe. — 1990
2. •
   A piece of jewelry or ornamental fabric, worn as a necklace or neckerchief, tight to the throat.

   • Anne Talbot looked demurely ravishing, as was her intention, in a very low-cut evening frock of bottle-green, choker of Kelantan silver, earrings in the shape of krises. — 1958
3. •
   One who performs badly at an important part of a competition because they are nervous, especially when winning.

   • The choker tag will always follow the Proteas until we win a trophy — Temba Bavuma
4. •
   A traffic calming device used to narrow a road and produce a chokepoint.
5. •
   (slang) Any disappointing or upsetting circumstance.

   • I lost £100 on the horses today — what a choker!
6. •
   A loop of cable fastened around a log to haul it.
7. •
   One who operates the choke of an engine during ignition.