Correct spelling for the English word "calfish" is [kˈɑːfɪʃ], [kˈɑːfɪʃ], [k_ˈɑː_f_ɪ_ʃ] (IPA phonetic alphabet).
Stupid; calf-skin, the skin of a calf dressed or made into leather.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.