chirk v 1: make a shrill creaking, squeaking, or noise, as of a door, mouse, or bird
Chirk \Chirk\, v. i. [Cf. {Chirp}, also {Creak}.] 1. To shriek; to gnash; to utter harsh or shrill cries. [Obs.] [1913 Webster] All full of chirkyng was that sorry place. --Cheucer. [1913 Webster] 2. To chirp like a bird. [Obs.] --Chaucer. [1913 Webster]
Chirk \Chirk\, v. t. To cheer; to enliven; as, to chirk one up. [Colloq. New Eng. ] [1913 Webster]
Chirk \Chirk\, a. [From {Chirk}, v. i.] Lively; cheerful; in good spirits. [Colloq. New Eng.] [1913 Webster]