How to make height auto when overflow is set to visible?

I have a small problem ...

I know how to use overflow auto to make the height equal to div content.
I am trying to create a tooltip that does not clip the parent div which is set to auto.

The solution could be one of two options ...

1. Find a way to set the height to the div to fit the content and overflow to visible.
2. Find a way to remove the clip when height is set to auto and overflow is set to auto too.

So the problem is ...

Overflow auto and height auto results in a clip
And...

How to make height auto when overflow is set to visible? WordPress ...