squeaker

Noun
  1. Any artifact that makes a squeaking sound when used (synset 104299871)
    "those sneakers are squeakers"; "which hinge is the squeaker?"
    is a type of: artefact, artifact - a man-made object taken as a whole
  2. Something achieved (or escaped) by a narrow margin (synset 100061834)
    is a type of: accomplishment, achievement - the action of accomplishing something
    same as: close call, close shave, narrow escape, squeak

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