better than "diaper rash," which is his usual unpleasant smell/taste descriptor of choice

(the Zweeble grabs my empty cup and begins playing with ice cubes. a few minutes later ...)

Z: Mommy, I don't like your Coke.

L: You don't?

Z: No. It tasted like (considers) ... barbeque!

I view this as a good thing, as he's been angling to try Coke for a while now. There were just the last watery dregs in my cup, so he shouldn't get wired off it. I hope.