"This stuff is positively ancient."

"Yes, and it makes me feel positively ancient."

Of course; the apple tree is positively ancient by now.

I was not very old, just fifteen, but measuring time as a string of memorable events, I seemed positively ancient.

You make me feel positively ancient.

She seemed positively ancient.

To them forty seemed positively ancient.

And the adobe walls, positively ancient.

You're making me feel positively ancient.

"Sock puppet" is at least five years old, which is positively ancient in internet terms.