be as old as Methuselah

be as old as Methuselah

To be very old or elderly. In the Bible, Methuselah lived 969 years. I know I'll have a long life because my grandparents were as old as Methuselah when they died. Of course she can't use a smartphone, she's as old as Methuselah!
See also: Methuselah, old
References in classic literature ?
You will be as old as Methuselah, if you wait till I am your wife.
A man may live to be as old as Methuselah,' said Mr.
I calculate that by the end of the season I will be as old as Methuselah.
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