granddaddy of them all

Slang Dictionary

(grand)daddy (of them all) definition


  1. n.
    the biggest or oldest of all; the patriarch. : This old fish is the granddaddy of them all.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw Hill.
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American Heritage
Idioms & Phrases

granddaddy of them all

The first, oldest, or most respected of its kind, as in That computer is the grandaddy of them all. [Colloquial; c. 1900]

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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