- The definition of chirk is to cheer up.
An example of chirk is to tell some funny jokes to a sad friend.
chirk definition by Webster's New World
Origin: Middle English chirken, to twitter, variant, variety of charken ; from Old English cearcian, to creak, gnash
chirk definition by American Heritage Dictionary
tr. & intr.v. chirked, chirk·ing, chirks
Origin: Middle English chirken, to chirp, chirrup, from Old English cearcian, to chatter, alteration of cracian, to resound; see crack.