Dead ant, dead ant, deadantdeadantdeadantdeadant...deaddeaddeaddead ANT.
I poured the rest of the coffee out and got myself a new cup. I will not be cowed! (However, in the future, if I see ripples in a cup of joe that really shouldn't be there, I'll do my best Sherlock Holmes, put on a tweed cap and a monocle, and do some investigating.) :-\