I remember reading this a while back, so I may be a bit off… but I think that while only a microscopic amount of mass would be directly consumed by the event horizon, the radiation caused by particles getting accelerated from passing near it would be enough to kill you.

The same thing that would happen if small anything would pass through human body.

Note that a blackhole with event horizon radius less than 1 mm would be a little bit more massive than the earth. If it is moving slowly enough, it would “capture” you in a tug of war with the earth. If it wasnt for earth I think you would end with it in your center of mass but given the earth, I think higher in your body.