Phrs. There you have it; a catch phrase expressing satisfactory completion. E.g."Make sure you have primed and undercoated the wood. Then apply the gloss paint and Bob's your uncle! The wood will stay protected and look good for another couple of years."
BOBS YOUR UNCLE
Meaning of BOBS YOUR UNCLE in English
Slang English vocab. Английский сленговый словарь. 2012