How your spouse/significant other looks at you when they are bemused at something you are doing. He/she stands perfectly still with just a silly smirking look, waiting to see what you are going to do next.
The alarmed look that one gives when they hear the words "quiz", "exam", or "grade"--it resembles a meerkat being on alert for predators.
"Dude, she was totally meerkatting when she heard me talk about the radiology grades being posted...even though she was eavesdropping while I was enjoying my Chicken Enchilada soup!"