From two British idioms: "Bob's your uncle" and "Fanny's your aunt"; both of which mean "easy as pie". This particular version casts confusion or doubt on a subject.
Just before diving into the shark-infested waters, he was heard to say, "Everything will be fine, and Bob's your aunt!"
by timmmmber November 8, 2021
Get the Bob's your auntmug. You find out your uncle bob actually had a sex change
Therefore, Bobs your aunt... with balls.... Maybe
Therefore, Bobs your aunt... with balls.... Maybe
by BlackMamber January 22, 2011
Get the Bobs your auntmug.