answers.input_text: short
answers.span_text: unknown origin
questions: where does saying bob's your uncle come from
name: Bob's your uncle
contexts: ... And Bob 's your uncle is an expression of unknown origin , that means `` and there it is '' or `` and there you have it . '' It is commonly used in United Kingdom and Commonwealth countries . Typically , someone says it to conclude a set of simple instructions or when a result is reached . The meaning is similar to that of the French expression `` et voilà ! ''