An Irish surname; also refers to Murphy's Law, the adage that 'anything that can go wrong will go wrong.' Sometimes used as slang for potato.
From Irish Gaelic 'Ó Murchadha' meaning 'descendant of Murchadh,' where Murchadh means 'sea warrior.' The surname became associated with Murphy's Law in the 1940s, named after engineer Edward Murphy Jr.
Murphy's Law, despite sounding ancient, was actually coined in 1949 by an aerospace engineer frustrated with a research assistant's errors. The law's pessimistic wisdom has since become a universal principle, proving that sometimes the most profound truths come from workplace frustration.
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