I'm not so sure the "pop the bubble" metaphor is quite appropriate, but it's close. I prefer "lancing a boil."
More like this.....
"Boil" was my number one pick as well...
And within this boil is both the pathogenic physical slime AND festered corruptive moral elements which the AIDS-carrying author fantasizes about spreading to America's children.
In other words, the man awaits Satan's next order...