ˌSod’s ˈlaw BrE AmE noun [uncountable]
British English the natural tendency for things to go wrong whenever possible – used humorously SYN Murphy’s Law American English :
It’s Sod’s law that the car breaks down when you need it most.
SOD’S LAW
Meaning of SOD’S LAW in English
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012