|1.||human petri dish|
a person who is always sick and spreads their germs where ever they are.
Alan is such a human petri dish. He always has a cold and sneezes all over the place.
|2.||Human Petri Dish|
A. someone who continuously sticks needles into their skin: medically and heroinically.
B. someone who allows experiments on themselves.
"That guy must be a human petri dish, son of a bitch has moss growing on his face."