Chirk \Chirk\, v. t. To cheer; to enliven; as, to chirk one up. [Colloq. New Eng. ]

Source: Webster's Revised Unabridged Dictionary (1913)
 

Chirk \Chirk\, a. [From Chirk, v. i.]

Lively; cheerful; in good spirits. [Colloq. New Eng.]

Source: Webster's Revised Unabridged Dictionary (1913)
 

Chirk \Chirk\, v. i. [Cf. Chirp, also Creak.]

1. To shriek; to gnash; to utter harsh or shrill cries. [Obs.]

All full of chirkyng was that sorry place. --Cheucer.

2. To chirp like a bird. [Obs.]

--Chaucer.

Source: Webster's Revised Unabridged Dictionary (1913)