GR translation: coffee mess

[Mike Jing]

P127.2-10   . . . oh yes a most superb possibility has found seedbed
in his brain, and here it is. What if they are all, all these Psi
Section freaks here, ganged up on him in secret? O.K.? Yes: suppose
they can see into your mind! a-and how about—what if it’s hypnotism?
Eh? Jesus: then a whole number of other occult things such as: astral
projection, brain control (nothing occult about that), secret curses
for impotence, boils, madness, yaaahhh—potions! (as he straightens at
last and back in his mind’s eyes to his office now glances, very
gingerly, at the coffee mess, oh God . . . ), ...

What is "the coffee mess"?  Specifically, what is the meaning of
"mess" here?  Does he make coffee in his office using the water boiled
in the Erlenmeyer flask mentioned earlier?  Does he make a mess of it?
 Or is it something else?