Here's that David Lee Roth isolated vocal track from Runnin' with the Devil, from back when he was fronting Van Halen.
Yes, it just gets funnier and funnier each time you hear it.
David Lee Roth:Runnin' with the Devil (vocal)
P.S. I know the title of the post is not a line from the vocal that's posted. However, that line from And the Cradle will Rock could be the greatest single line from any Van Halen song ever recorded... and we don't make that statement lightly.
Addendum, March 22: We found a nice interview with the Philadelphia Daily News columnist, Rich Hofmann, on a site called Sports Media Guide. Check it out.