noun (plural whammies) Etymology: probably from 1wham Date: 1940 1. a supernatural power bringing bad luck, a magic curse or spell ; jinx , hex , a potent force or attack
WHAMMY
Meaning of WHAMMY in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012