The phrase is thought to have been popularized by cartoonist Al Capp (1909–1979), from his classic comic strip, Li'l Abner.
double whammy (plural double whammies)
- a twofold blow or setback; a series of two events that cause adverse effects
- (by extension) a twofold boon; a series of two events that cause positive effects
- England loss against Iceland in the Euro 2016 days after the vote to leave the European Union