be the daddy of (something)
To be the biggest, oldest, most impressive, or most respected of a certain kind of person or thing. Wow, what a beauty. That Corvette there is the daddy of classic cars. You don't like Led Zeppelin IV? Come on, that's, like, the daddy of all classic rock albums! There are so many competitors in the PC market now, but the leader of the pack, Spikerosoft, is the daddy of them all.
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