I occasionally fired a shot at them, and the only answer I got was a quick "ca-ca!"
noun
[origin uncertain; perhaps fr late 1800s cack, ''to defecate''; perhaps fr dialect cacky, ''excrement,'' attested by 1899; perhaps fr Latin cacare, ''to defecate,'' used as a euphemism in the presence of children; perhaps fr Modern Greek; ultimately fr the Indo-European root kakka or kaka, designating defecation]
