This website catalogs a shitload of old Superman (and Superman related comics) which all have covers portraying Superman acting like a dickhole.
Observe:

and of course my personal favorite:

Reader, JT gets a thank you for bringing Superman up a few notches in the Captain’s eyes.

I found this site a few weeks back and almost wet myself…
http://www.yesbutnobutyes.com/archives/2007/03/top_15_unintent.html
all I can say is “quiet or papa spank”
Thanks for the heads up. This has got future post written all over it.
[...] Comic Books Aren’t Just Worth Money, They Are Hilarious Too Last month we showed you that Superman was actually a pretty big asshole. This also proved to us that old comic books could be a whole hell of a lot funnier than we might [...]