[Vaskivo]

Stuff that hurts your brain is the kind of stuff that's fun to dive into. Except empty swimming pools :)

[tsumnia]

I think he means the deeper in the comments you go, the closer it becomes an 'e-peen' measuring contest. But the first post is the only thing you should dive into.

[skcin7]

I became a member of that site when it started; "e-peen measuring contest" is an accurate way to describe it.

[ZoF]

I think "make you dumber" was more his intended meaning.