To make a short, sharp, chirping sound; to chirp or squeak with energy.
A variant or dialect form of chirp, possibly influenced by onomatopoeia or Scandinavian roots like Norwegian kyrka. The -irk ending suggests dialect or informal speech patterns common in English regional variations.
English has dozens of words that basically mean 'make a sharp sound'—chirk, chirp, chirrup, cheep—and their slight differences in spelling often just reflect different regional accents or how individual writers heard the same onomatopoeia!
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