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English definition of “bub”

bub

noun [C]   /bʌb/ US old-fashioned informal
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 noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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