make rapid bodily movements up and down and from side
Related Idioms and Phrases :
Bob's your uncle
everything is fine
problem solved - British informal
Bob isa familiar form of the name Robert. The origin of the phrase is often said to be in the controversial appointment in 1887 of the young Arthur Balfour to the important post of Chief Secretary for Ireland by his uncle Lord Salisbury, whose first name was Robert. The problem with this explanation is that the phrase is not recorded until the 1930s.
1996 - Colin Bateman - Of Wee Sweetie Mice and Men - I couldn't believe how easy it was to get. Just walked into a shop, signed a piece of paper and Bob's your uncle.