Why do we say ‘Bob’s your Uncle’? 

“Bob’s your uncle” is a well-known expression in British English. It’s usually said after explaining how to do something simple or straightforward, and it means something like: 

“…and there you go!” or “…and it’s as easy as that!” 

Where does it come from? 

The origin of the phrase goes back to 1887, when British Prime Minister Robert Gascoyne-Cecil appointed his nephew, Arthur Balfour, as Minister for Ireland. 

At the time, many saw this appointment as an example of favouritism, since Balfour wasn’t especially experienced. The joke was that it’s easy to succeed when Bob’s your uncle (literally)!  

Arthur referred to Robert as “Uncle Bob,” and the phrase stuck. 

Since then, it’s become a casual way to say something is quick, easy, or sorted. 

Example in conversation 

A: How do I get to your house? 

B: Take the first turn on the right, walk about 50 meters and Bob’s your uncle.