Having heard Carlin a lot recently, I imagine the two words were "BL!W ME". It's a very native New York figure of speech. Carlin is a walking contradiction, like many bright individuals: his comedy has been at one and the same time brilliant, cerebral, stupidly vulgar, and personally off-putting, as if he's just pushing the envelope either for its own sake, or just out of personal discomfort. Its the equivalent of Linda Ronstadt turning one of her recent stage shows into a commercial for Michael Moore. The audience came to hear and see one thing, and they're given something else. They have a right to walk out, or yell up at him, like a woman in the audience did. I noticed a sea-change in Carlin starting about ten years ago on one of his HBO specials--a willingness to go farther and farther into making an audience uncomfortable , testing their own flexibility, almost to see if he could get away with it,bend them to his will, and still keep them loyal to him. Unfortunately, nothing that ever came from these forays into Xtreme Comedy ever proved to be very funny.
"I imagine the two words were "BL!W ME"."
Yes, I'm sure that was what he said.