Granddaddy

The nature of this gas enables it to absorb the majority of the sun's ultraviolet rays, thus saving the human race from the granddaddy of all sunburns.

Source: wiktionary

In the far corner, representing the twentieth century, is the granddaddy of all common stocks, AT&T. Here is a company that earned its place in the pantheon of great stocks simply by increasing its dividend for an absurdly long period of time.

Source: wiktionary

The region, with its twenty-two hours of summer daylight, is now known for its giant vegetables that include six-foot-wide cauliflower, eighteen-pound carrots, fifty-pound celery, and the granddaddy of all giant vegetables, the Alaskan cabbage ...

Source: wiktionary

A hundred years from now or two-hundred years from now they will speak of this tsunami of all tsunami's— the granddaddy of all tsunami's.

Source: wiktionary