Probably the best quote in South Park and on TV in general. S12E12. For those who missed it. And I was surprised to not find it on Youtube…

They are watching “High School Musical” DVD, incredulous and puzzled.

Cartman:

This… is cool?
This… is COOL?…
We are really getting old, you guys.
(…)
Well, I’m out guys. If this is what’s cool now, I think I’m done. I no longer have any connection to this world. I’m gonna go home and kill myself. Goodbye, friends.