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English definition of “bub”

bub

noun [C] uk   /bʌb/ US old-fashioned informal us  
a form of address used to a man, sometimes in a slightly angry way: That may be what you do at home, but listen, bub, you don't do it here!Friendly and unfriendly terms of address
(Definition of bub from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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