'Choker' definitions:

Definition of 'choker'

(from WordNet)
noun
Someone who kills by strangling [syn: garroter, garrotter, strangler, throttler, choker]
noun
An unfortunate person who is unable to perform effectively because of nervous tension or agitation; "he could win if he wasn't a choker"
noun
Necklace that fits tightly around a woman's neck [syn: choker, collar, dog collar, neckband]
noun
A high tight collar [syn: choker, ruff, ruffle, neck ruff]

Definition of 'Choker'

From: GCIDE
  • Choker \Chok"er\, n.
  • 1. One who, or that which, chokes. [1913 Webster]
  • 2. A stiff wide cravat; a stock. [Slang] [1913 Webster]