Английский словарь американских идиом - big daddy

{n.}, {slang}, {informal} The most important, largest thing, person or animal in a congregation of similar persons, animals, or objects. * /The whale is the big daddy of everything that swims in the ocean./ * /The H-bomb is the big daddy of all modern weapons./ * /Al Capone was the big daddy of organized crime in Chicago during Prohibition./