The granddaddy of them all phrase informal mainly US
The largest, oldest, most remarkable, or most respected person, object, or thing of its type.
This company is the granddaddy of them all.
I have a collection of stamps. That stamp is the granddaddy of them all.
To be in a poor condition.
To be extremely old (a joke or a story)
To act or conduct oneself in an imposing, impressive, resolute, or manly manner or composure
Another individual is far older than the individual in question
To visit
Yesterday we paid a visit to the local market and enjoyed some street food.