choker

definition: a high tight collar
example:
speech part: noun
synonyms: ruffle
definition: necklace that fits tightly around a woman's neck
example:
speech part: noun
synonyms: collar
definition: someone who is unable to perform effectively because of nervous tension or agitation
example: They would've won the game easily if they weren't a choker.
speech part: noun
synonyms:
definition: someone who kills by strangling
example:
speech part: noun
synonyms: garroter garrotter strangler throttler

How choker is being used?