shammy (n.)youdaoicibaDictYouDict
1650s, phonetic spelling of chamois. Other bungled spellings include shambo (1610s), shamois, shamoys, shammies. Compare shay from chaise; shappo (1700) for chapeau; shapperoon (1620s) for chaperon.
whammy (n.)youdaoicibaDictYouDict
often double whammy, "hex, evil eye," 1932, of unknown origin, popularized 1941 in Al Capp's comic strip "Li'l Abner," where it was the specialty of Evil-Eye Fleegle.