English

Definition of big daddy from the Oxford Advanced Learner's Dictionary

 

big daddy

 
BrE
 
; NAmE
 
(North American English, informal)
 
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a man who is powerful, important or rich, or all of these. He is usually a man who acts like a father to people who work for him or depend on him. Big Daddy is the name of the frightening head of the family in the play Cat on a Hot Tin Roof (1955) by Tennessee Williams.