"Huh," I thought to myself, rereading a recipe for almond milk ice cream. "That's funny. He says 'diabetes' just like Diabeetus Cat."
I squinted over the top of the screen. "Huh," I thought again. "That's funny. He looks just like Diabeetus Cat, too."
Five minutes later... "OH! I get it!"
I believe the LOLCAT sanctioned term for this situation would be 'facepalm.'