malarkey

The story

1. Greek · derived fromμαλακίες
2. Irish · borrowed frommallachtóireacht
3. English todaymalarkey

Of unknown origin; the word was popularized by the Irish-American cartoonist Thomas Aloysius (“Tad”) Dorgan (1877–1929), who started using it in cartoons on March 9, 1922. Maybe from Irish mallachtóireacht or Greek μαλακίες (malakíes)

First known use, by meaning

• from 1920s Nonsense; rubbish.