- (UK, Canada, idiomatic) "No problem", "the solution is simple", "there you have it", you have what you want, all will be well; indicates a desirable conclusion has been reached.
- Insert the plug, press the switch, and Bob's your uncle.
- You want to go to the stadium? Go straight on until you reach the park, take the first left and Bob’s your uncle!
Unknown - first printed usage from 1937. Several unsupported theories exist about its origin. A common explanation, involving Arthur Balfour gaining a promotion through the supposed intercession of his uncle Robert, seems unlikely given the expression was apparently not used before the late 1930s.